diff --git a/lerna.json b/lerna.json
index 15877f690..fdd1973a9 100644
--- a/lerna.json
+++ b/lerna.json
@@ -2,5 +2,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "2.8.0-canary.16"
+  "version": "3.0.0-canary.1"
 }
diff --git a/packages/cache-list/package.json b/packages/cache-list/package.json
index b5a6d49f3..88bb0d7f4 100644
--- a/packages/cache-list/package.json
+++ b/packages/cache-list/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-cache-list",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "Lists AMP Caches",
   "main": "index.js",
   "repository": {
@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/ampproject/amp-toolbox/tree/main/packages/cache-list",
   "dependencies": {
-    "@ampproject/toolbox-core": "^2.8.0-canary.15"
+    "@ampproject/toolbox-core": "3.0.0-canary.1"
   },
   "gitHead": "9b159391d776396512b01ec250fa76941713c763"
 }
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 79eeb56a2..65cb06adc 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-cli",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "description": "A Command Line Interface (CLI) for amp-toolbox",
   "main": "index.js",
   "bin": {
@@ -27,14 +27,14 @@
   },
   "homepage": "https://github.com/ampproject/amp-toolbox/tree/main/packages/cli",
   "dependencies": {
-    "@ampproject/toolbox-cache-list": "^2.8.0-canary.15",
+    "@ampproject/toolbox-cache-list": "3.0.0-canary.1",
     "@ampproject/toolbox-cache-url": "^2.8.0-canary.6",
-    "@ampproject/toolbox-core": "^2.8.0-canary.15",
-    "@ampproject/toolbox-linter": "^2.8.0-canary.16",
-    "@ampproject/toolbox-optimizer": "^2.8.0-canary.16",
-    "@ampproject/toolbox-runtime-fetch": "^2.8.0-canary.15",
-    "@ampproject/toolbox-runtime-version": "^2.8.0-canary.15",
-    "@ampproject/toolbox-update-cache": "^2.8.0-canary.15",
+    "@ampproject/toolbox-core": "3.0.0-canary.1",
+    "@ampproject/toolbox-linter": "3.0.0-canary.1",
+    "@ampproject/toolbox-optimizer": "3.0.0-canary.1",
+    "@ampproject/toolbox-runtime-fetch": "3.0.0-canary.1",
+    "@ampproject/toolbox-runtime-version": "3.0.0-canary.1",
+    "@ampproject/toolbox-update-cache": "3.0.0-canary.1",
     "minimist": "1.2.5",
     "minimist-options": "4.1.0",
     "node-fetch": "2.6.1"
diff --git a/packages/cloudflare-optimizer-scripts/package-lock.json b/packages/cloudflare-optimizer-scripts/package-lock.json
deleted file mode 100644
index f036b9ac8..000000000
--- a/packages/cloudflare-optimizer-scripts/package-lock.json
+++ /dev/null
@@ -1,453 +0,0 @@
-{
-  "name": "@ampproject/cloudflare-optimizer-scripts",
-  "version": "0.0.4",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "@ampproject/cloudflare-optimizer-scripts",
-      "version": "0.0.4",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@ampproject/toolbox-optimizer": "2.8.0-canary.16"
-      }
-    },
-    "../core": {
-      "name": "@ampproject/toolbox-core",
-      "version": "2.8.0-canary.15",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "cross-fetch": "3.1.2",
-        "lru-cache": "6.0.0"
-      }
-    },
-    "../core/node_modules/cross-fetch": {
-      "version": "3.1.2",
-      "license": "MIT",
-      "dependencies": {
-        "node-fetch": "2.6.1"
-      }
-    },
-    "../optimizer": {
-      "name": "@ampproject/toolbox-optimizer",
-      "version": "2.8.0-canary.16",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@ampproject/toolbox-core": "^2.8.0-canary.15",
-        "@ampproject/toolbox-runtime-version": "^2.8.0-canary.15",
-        "@ampproject/toolbox-script-csp": "^2.8.0-canary.0",
-        "@ampproject/toolbox-validator-rules": "^2.8.0-canary.9",
-        "abort-controller": "3.0.0",
-        "cross-fetch": "3.1.2",
-        "cssnano-simple": "1.2.2",
-        "dom-serializer": "1.2.0",
-        "domhandler": "4.0.0",
-        "domutils": "2.5.0",
-        "htmlparser2": "6.0.1",
-        "https-proxy-agent": "5.0.0",
-        "lru-cache": "6.0.0",
-        "normalize-html-whitespace": "1.0.0",
-        "postcss": "8.2.8",
-        "postcss-safe-parser": "5.0.2",
-        "terser": "5.6.1"
-      },
-      "peerDependenciesMeta": {
-        "jimp": {
-          "optional": true
-        },
-        "probe-image-size": {
-          "optional": true
-        }
-      }
-    },
-    "../optimizer/node_modules/@ampproject/toolbox-core": {
-      "resolved": "../core",
-      "link": true
-    },
-    "../optimizer/node_modules/@ampproject/toolbox-runtime-version": {
-      "resolved": "../runtime-version",
-      "link": true
-    },
-    "../optimizer/node_modules/@ampproject/toolbox-script-csp": {
-      "resolved": "../script-csp",
-      "link": true
-    },
-    "../optimizer/node_modules/@ampproject/toolbox-validator-rules": {
-      "resolved": "../validator-rules",
-      "link": true
-    },
-    "../optimizer/node_modules/agent-base": {
-      "version": "6.0.1",
-      "license": "MIT",
-      "dependencies": {
-        "debug": "4"
-      },
-      "engines": {
-        "node": ">= 6.0.0"
-      }
-    },
-    "../optimizer/node_modules/cross-fetch": {
-      "version": "3.1.2",
-      "license": "MIT",
-      "dependencies": {
-        "node-fetch": "2.6.1"
-      }
-    },
-    "../optimizer/node_modules/dom-serializer": {
-      "version": "1.2.0",
-      "license": "MIT",
-      "dependencies": {
-        "domelementtype": "^2.0.1",
-        "domhandler": "^4.0.0",
-        "entities": "^2.0.0"
-      },
-      "funding": {
-        "url": "https://github.com/cheeriojs/dom-serializer?sponsor=1"
-      }
-    },
-    "../optimizer/node_modules/domelementtype": {
-      "version": "2.1.0",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/fb55"
-        }
-      ],
-      "license": "BSD-2-Clause"
-    },
-    "../optimizer/node_modules/domhandler": {
-      "version": "4.0.0",
-      "license": "BSD-2-Clause",
-      "dependencies": {
-        "domelementtype": "^2.1.0"
-      },
-      "engines": {
-        "node": ">= 4"
-      },
-      "funding": {
-        "url": "https://github.com/fb55/domhandler?sponsor=1"
-      }
-    },
-    "../optimizer/node_modules/domutils": {
-      "version": "2.5.0",
-      "license": "BSD-2-Clause",
-      "dependencies": {
-        "dom-serializer": "^1.0.1",
-        "domelementtype": "^2.0.1",
-        "domhandler": "^4.0.0"
-      },
-      "funding": {
-        "url": "https://github.com/fb55/domutils?sponsor=1"
-      }
-    },
-    "../optimizer/node_modules/entities": {
-      "version": "2.1.0",
-      "license": "BSD-2-Clause",
-      "funding": {
-        "url": "https://github.com/fb55/entities?sponsor=1"
-      }
-    },
-    "../optimizer/node_modules/htmlparser2": {
-      "version": "6.0.1",
-      "funding": [
-        "https://github.com/fb55/htmlparser2?sponsor=1",
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/fb55"
-        }
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "domelementtype": "^2.0.1",
-        "domhandler": "^4.0.0",
-        "domutils": "^2.4.4",
-        "entities": "^2.0.0"
-      }
-    },
-    "../optimizer/node_modules/https-proxy-agent": {
-      "version": "5.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "agent-base": "6",
-        "debug": "4"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
-    "../optimizer/node_modules/node-fetch": {
-      "version": "2.6.1",
-      "license": "MIT",
-      "engines": {
-        "node": "4.x || >=6.0.0"
-      }
-    },
-    "../optimizer/node_modules/postcss": {
-      "version": "8.2.6",
-      "license": "MIT",
-      "dependencies": {
-        "colorette": "^1.2.1",
-        "nanoid": "^3.1.20",
-        "source-map": "^0.6.1"
-      },
-      "engines": {
-        "node": "^10 || ^12 || >=14"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
-      }
-    },
-    "../optimizer/node_modules/postcss-safe-parser": {
-      "version": "5.0.2",
-      "license": "MIT",
-      "dependencies": {
-        "postcss": "^8.1.0"
-      },
-      "engines": {
-        "node": ">=10.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
-      }
-    },
-    "../optimizer/node_modules/terser": {
-      "version": "5.6.0",
-      "license": "BSD-2-Clause",
-      "dependencies": {
-        "commander": "^2.20.0",
-        "source-map": "~0.7.2",
-        "source-map-support": "~0.5.19"
-      },
-      "bin": {
-        "terser": "bin/terser"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "../optimizer/node_modules/terser/node_modules/source-map": {
-      "version": "0.7.3",
-      "license": "BSD-3-Clause",
-      "engines": {
-        "node": ">= 8"
-      }
-    },
-    "../runtime-version": {
-      "name": "@ampproject/toolbox-runtime-version",
-      "version": "2.8.0-canary.15",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@ampproject/toolbox-core": "^2.8.0-canary.15"
-      }
-    },
-    "../runtime-version/node_modules/@ampproject/toolbox-core": {
-      "resolved": "../core",
-      "link": true
-    },
-    "../script-csp": {
-      "name": "@ampproject/toolbox-script-csp",
-      "version": "2.8.0-canary.0",
-      "license": "Apache-2.0"
-    },
-    "../validator-rules": {
-      "name": "@ampproject/toolbox-validator-rules",
-      "version": "2.8.0-canary.9",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "cross-fetch": "3.1.2"
-      }
-    },
-    "../validator-rules/node_modules/cross-fetch": {
-      "version": "3.1.2",
-      "license": "MIT",
-      "dependencies": {
-        "node-fetch": "2.6.1"
-      }
-    },
-    "../validator-rules/node_modules/cross-fetch/node_modules/node-fetch": {
-      "version": "2.6.1",
-      "license": "MIT",
-      "engines": {
-        "node": "4.x || >=6.0.0"
-      }
-    },
-    "node_modules/@ampproject/toolbox-optimizer": {
-      "resolved": "../optimizer",
-      "link": true
-    }
-  },
-  "dependencies": {
-    "@ampproject/toolbox-optimizer": {
-      "version": "file:../optimizer",
-      "requires": {
-        "@ampproject/toolbox-core": "^2.8.0-canary.15",
-        "@ampproject/toolbox-runtime-version": "^2.8.0-canary.15",
-        "@ampproject/toolbox-script-csp": "^2.8.0-canary.0",
-        "@ampproject/toolbox-validator-rules": "^2.8.0-canary.9",
-        "abort-controller": "3.0.0",
-        "cross-fetch": "3.1.2",
-        "cssnano-simple": "1.2.2",
-        "dom-serializer": "1.2.0",
-        "domhandler": "4.0.0",
-        "domutils": "2.5.0",
-        "htmlparser2": "6.0.1",
-        "https-proxy-agent": "5.0.0",
-        "lru-cache": "6.0.0",
-        "normalize-html-whitespace": "1.0.0",
-        "postcss": "8.2.8",
-        "postcss-safe-parser": "5.0.2",
-        "terser": "5.6.1"
-      },
-      "dependencies": {
-        "@ampproject/toolbox-core": {
-          "version": "file:../core",
-          "requires": {
-            "cross-fetch": "3.1.2",
-            "lru-cache": "6.0.0"
-          },
-          "dependencies": {
-            "cross-fetch": {
-              "version": "3.1.2",
-              "requires": {
-                "node-fetch": "2.6.1"
-              }
-            }
-          }
-        },
-        "@ampproject/toolbox-runtime-version": {
-          "version": "file:../runtime-version",
-          "requires": {
-            "@ampproject/toolbox-core": "^2.8.0-canary.15"
-          },
-          "dependencies": {
-            "@ampproject/toolbox-core": {
-              "version": "file:../core",
-              "requires": {
-                "cross-fetch": "3.1.2",
-                "lru-cache": "6.0.0"
-              },
-              "dependencies": {
-                "cross-fetch": {
-                  "version": "3.1.2",
-                  "requires": {
-                    "node-fetch": "2.6.1"
-                  }
-                }
-              }
-            }
-          }
-        },
-        "@ampproject/toolbox-script-csp": {
-          "version": "file:../script-csp"
-        },
-        "@ampproject/toolbox-validator-rules": {
-          "version": "file:../validator-rules",
-          "requires": {
-            "cross-fetch": "3.1.2"
-          },
-          "dependencies": {
-            "cross-fetch": {
-              "version": "3.1.2",
-              "requires": {
-                "node-fetch": "2.6.1"
-              },
-              "dependencies": {
-                "node-fetch": {
-                  "version": "2.6.1"
-                }
-              }
-            }
-          }
-        },
-        "agent-base": {
-          "version": "6.0.1",
-          "requires": {
-            "debug": "4"
-          }
-        },
-        "cross-fetch": {
-          "version": "3.1.2",
-          "requires": {
-            "node-fetch": "2.6.1"
-          }
-        },
-        "dom-serializer": {
-          "version": "1.2.0",
-          "requires": {
-            "domelementtype": "^2.0.1",
-            "domhandler": "^4.0.0",
-            "entities": "^2.0.0"
-          }
-        },
-        "domelementtype": {
-          "version": "2.1.0"
-        },
-        "domhandler": {
-          "version": "4.0.0",
-          "requires": {
-            "domelementtype": "^2.1.0"
-          }
-        },
-        "domutils": {
-          "version": "2.5.0",
-          "requires": {
-            "dom-serializer": "^1.0.1",
-            "domelementtype": "^2.0.1",
-            "domhandler": "^4.0.0"
-          }
-        },
-        "entities": {
-          "version": "2.1.0"
-        },
-        "htmlparser2": {
-          "version": "6.0.1",
-          "requires": {
-            "domelementtype": "^2.0.1",
-            "domhandler": "^4.0.0",
-            "domutils": "^2.4.4",
-            "entities": "^2.0.0"
-          }
-        },
-        "https-proxy-agent": {
-          "version": "5.0.0",
-          "requires": {
-            "agent-base": "6",
-            "debug": "4"
-          }
-        },
-        "node-fetch": {
-          "version": "2.6.1"
-        },
-        "postcss": {
-          "version": "8.2.6",
-          "requires": {
-            "colorette": "^1.2.1",
-            "nanoid": "^3.1.20",
-            "source-map": "^0.6.1"
-          }
-        },
-        "postcss-safe-parser": {
-          "version": "5.0.2",
-          "requires": {
-            "postcss": "^8.1.0"
-          }
-        },
-        "terser": {
-          "version": "5.6.0",
-          "requires": {
-            "commander": "^2.20.0",
-            "source-map": "~0.7.2",
-            "source-map-support": "~0.5.19"
-          },
-          "dependencies": {
-            "source-map": {
-              "version": "0.7.3"
-            }
-          }
-        }
-      }
-    }
-  }
-}
diff --git a/packages/cloudflare-optimizer-scripts/package.json b/packages/cloudflare-optimizer-scripts/package.json
index 1064f6906..83bc37a20 100644
--- a/packages/cloudflare-optimizer-scripts/package.json
+++ b/packages/cloudflare-optimizer-scripts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/cloudflare-optimizer-scripts",
-  "version": "0.0.6",
+  "version": "3.0.0-canary.1",
   "description": "Configuration and scripts for cloudflare-amp-optimizer",
   "main": "./src/index.js",
   "files": [
@@ -15,6 +15,6 @@
   "author": "AMPHTML Team",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ampproject/toolbox-optimizer": "2.8.0-canary.16"
+    "@ampproject/toolbox-optimizer": "3.0.0-canary.1"
   }
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index 4bc8839e3..55361b5be 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-core",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "Commonly used functionality for amp-toolbox",
   "main": "index.js",
   "repository": {
@@ -8,8 +8,13 @@
     "url": "git+https://github.com/ampproject/amp-toolbox.git",
     "directory": "packages/core"
   },
-  "keywords": ["amp"],
-  "files": ["index.js", "lib"],
+  "keywords": [
+    "amp"
+  ],
+  "files": [
+    "index.js",
+    "lib"
+  ],
   "author": "AMPHTML Team",
   "license": "Apache-2.0",
   "bugs": {
diff --git a/packages/cors/package.json b/packages/cors/package.json
index 30439b86a..fa5329e9a 100644
--- a/packages/cors/package.json
+++ b/packages/cors/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-cors",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "An express middleware implementing the AMP CORS protocol",
   "main": "index.js",
   "keywords": [
@@ -19,9 +19,9 @@
   "author": "AMPHTML Team",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ampproject/toolbox-cache-list": "^2.8.0-canary.15",
+    "@ampproject/toolbox-cache-list": "3.0.0-canary.1",
     "@ampproject/toolbox-cache-url": "^2.8.0-canary.6",
-    "@ampproject/toolbox-core": "^2.8.0-canary.15"
+    "@ampproject/toolbox-core": "3.0.0-canary.1"
   },
   "bugs": {
     "url": "https://github.com/ampproject/amp-toolbox/issues"
diff --git a/packages/linter/package-lock.json b/packages/linter/package-lock.json
index cb7f661b3..dd9401ac6 100644
--- a/packages/linter/package-lock.json
+++ b/packages/linter/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-linter",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/packages/linter/package.json b/packages/linter/package.json
index e3d1744c0..d905d2157 100644
--- a/packages/linter/package.json
+++ b/packages/linter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-linter",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "description": "A linter for AMP documents",
   "repository": {
     "type": "git",
@@ -11,10 +11,10 @@
   "license": "Apache-2.0",
   "author": "AMPHTML Team",
   "dependencies": {
-    "@ampproject/toolbox-cache-list": "^2.8.0-canary.15",
+    "@ampproject/toolbox-cache-list": "3.0.0-canary.1",
     "@ampproject/toolbox-cache-url": "^2.8.0-canary.6",
-    "@ampproject/toolbox-optimizer": "^2.8.0-canary.16",
-    "@ampproject/toolbox-validator-rules": "^2.8.0-canary.9",
+    "@ampproject/toolbox-optimizer": "3.0.0-canary.1",
+    "@ampproject/toolbox-validator-rules": "3.0.0-canary.1",
     "amphtml-validator": "1.0.34",
     "chalk": "4.1.0",
     "cheerio": "1.0.0-rc.5",
diff --git a/packages/optimizer-docker/package.json b/packages/optimizer-docker/package.json
index d05828fb4..4ed95562f 100644
--- a/packages/optimizer-docker/package.json
+++ b/packages/optimizer-docker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "toolbox-optimizer-docker",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "description": "Thin wrapper around the amp-optimizer",
   "main": "index.js",
   "private": true,
@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer",
   "dependencies": {
-    "@ampproject/toolbox-optimizer": "^2.8.0-canary.16"
+    "@ampproject/toolbox-optimizer": "3.0.0-canary.1"
   },
   "gitHead": "b86ff10f2a20a9e5f810f31a694c7f020eb291ae"
 }
diff --git a/packages/optimizer-express/package.json b/packages/optimizer-express/package.json
index 74b979611..eb1203208 100644
--- a/packages/optimizer-express/package.json
+++ b/packages/optimizer-express/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-optimizer-express",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "description": "Express middleware for @ampproject/toolbox-optimizer",
   "main": "index.js",
   "repository": {
@@ -24,9 +24,9 @@
   },
   "homepage": "https://github.com/ampproject/amp-toolbox/tree/main/packages/optimizer-express",
   "dependencies": {
-    "@ampproject/toolbox-core": "^2.8.0-canary.15",
-    "@ampproject/toolbox-optimizer": "^2.8.0-canary.16",
-    "@ampproject/toolbox-runtime-version": "^2.8.0-canary.15",
+    "@ampproject/toolbox-core": "3.0.0-canary.1",
+    "@ampproject/toolbox-optimizer": "3.0.0-canary.1",
+    "@ampproject/toolbox-runtime-version": "3.0.0-canary.1",
     "mime-types": "2.1.29",
     "whatwg-url": "8.4.0"
   },
diff --git a/packages/optimizer/package-lock.json b/packages/optimizer/package-lock.json
index 63b01ac84..184bde943 100644
--- a/packages/optimizer/package-lock.json
+++ b/packages/optimizer/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-optimizer",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/packages/optimizer/package.json b/packages/optimizer/package.json
index 840e41d5a..151fd2746 100644
--- a/packages/optimizer/package.json
+++ b/packages/optimizer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-optimizer",
-  "version": "2.8.0-canary.16",
+  "version": "3.0.0-canary.1",
   "description": "Server-side rendering for AMPs.",
   "main": "index.js",
   "repository": {
@@ -11,8 +11,13 @@
   "scripts": {
     "build": "node build/downloadRuntimeParameters.js"
   },
-  "files": ["index.js", "lib"],
-  "keywords": ["amp"],
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "keywords": [
+    "amp"
+  ],
   "author": "AMPHTML Team",
   "license": "Apache-2.0",
   "peerDependenciesMeta": {
@@ -36,10 +41,10 @@
     }
   },
   "dependencies": {
-    "@ampproject/toolbox-core": "^2.8.0-canary.15",
-    "@ampproject/toolbox-runtime-version": "^2.8.0-canary.15",
+    "@ampproject/toolbox-core": "3.0.0-canary.1",
+    "@ampproject/toolbox-runtime-version": "3.0.0-canary.1",
     "@ampproject/toolbox-script-csp": "^2.8.0-canary.0",
-    "@ampproject/toolbox-validator-rules": "^2.8.0-canary.9",
+    "@ampproject/toolbox-validator-rules": "3.0.0-canary.1",
     "dom-serializer": "1.2.0",
     "domhandler": "4.0.0",
     "domutils": "2.5.0",
diff --git a/packages/page-experience/package-lock.json b/packages/page-experience/package-lock.json
index 275d9f4f5..9c9e7baa9 100644
--- a/packages/page-experience/package-lock.json
+++ b/packages/page-experience/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-page-experience",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/packages/page-experience/package.json b/packages/page-experience/package.json
index b87d8f200..04c5c7cd1 100644
--- a/packages/page-experience/package.json
+++ b/packages/page-experience/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-page-experience",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "Optimize your AMP pages for page experiemnce",
   "main": "index.js",
   "scripts": {
diff --git a/packages/runtime-fetch/package.json b/packages/runtime-fetch/package.json
index 26cc2bf77..a4bdf1b4c 100644
--- a/packages/runtime-fetch/package.json
+++ b/packages/runtime-fetch/package.json
@@ -1,10 +1,17 @@
 {
   "name": "@ampproject/toolbox-runtime-fetch",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "Download the AMP runtime",
   "main": "index.js",
-  "keywords": ["amp", "download", "runtime"],
-  "files": ["index.js", "lib"],
+  "keywords": [
+    "amp",
+    "download",
+    "runtime"
+  ],
+  "files": [
+    "index.js",
+    "lib"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/ampproject/amp-toolbox.git",
@@ -13,9 +20,9 @@
   "author": "AMPHTML Team",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ampproject/toolbox-cache-list": "^2.8.0-canary.15",
-    "@ampproject/toolbox-core": "^2.8.0-canary.15",
-    "@ampproject/toolbox-runtime-version": "^2.8.0-canary.15",
+    "@ampproject/toolbox-cache-list": "3.0.0-canary.1",
+    "@ampproject/toolbox-core": "3.0.0-canary.1",
+    "@ampproject/toolbox-runtime-version": "3.0.0-canary.1",
     "at-least-node": "1.0.0",
     "fs-extra": "9.1.0",
     "node-fetch": "2.6.1"
diff --git a/packages/runtime-version/package.json b/packages/runtime-version/package.json
index 4f4c27ce2..87cdcbb75 100644
--- a/packages/runtime-version/package.json
+++ b/packages/runtime-version/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-runtime-version",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "AMP Runtime versions",
   "main": "index.js",
   "keywords": [
@@ -18,7 +18,7 @@
   "author": "AMPHTML Team",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ampproject/toolbox-core": "^2.8.0-canary.15"
+    "@ampproject/toolbox-core": "3.0.0-canary.1"
   },
   "bugs": {
     "url": "https://github.com/ampproject/amp-toolbox/issues"
diff --git a/packages/update-cache/package.json b/packages/update-cache/package.json
index 54ddff376..23c764660 100644
--- a/packages/update-cache/package.json
+++ b/packages/update-cache/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ampproject/toolbox-update-cache",
-  "version": "2.8.0-canary.15",
+  "version": "3.0.0-canary.1",
   "description": "Implements the AMP update-cache API, as described at https://developers.google.com/amp/cache/update-cache ",
   "main": "index.js",
   "repository": {
@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/ampproject/amp-toolbox/tree/main/packages/update-cache",
   "dependencies": {
-    "@ampproject/toolbox-cache-list": "^2.8.0-canary.15",
+    "@ampproject/toolbox-cache-list": "3.0.0-canary.1",
     "@ampproject/toolbox-cache-url": "^2.8.0-canary.6",
     "jsrsasign": "10.2.0"
   },
diff --git a/packages/validator-rules/package.json b/packages/validator-rules/package.json
index 85012fe6f..f3b347cf1 100644
--- a/packages/validator-rules/package.json
+++ b/packages/validator-rules/package.json
@@ -1,13 +1,18 @@
 {
   "name": "@ampproject/toolbox-validator-rules",
-  "version": "2.8.0-canary.9",
+  "version": "3.0.0-canary.1",
   "description": "A library that helps query AMP Validator rules",
   "main": "index.js",
-  "keywords": ["amp"],
+  "keywords": [
+    "amp"
+  ],
   "scripts": {
     "fetchRules": "curl https://cdn.ampproject.org/v0/validator.json --output validator.json"
   },
-  "files": ["index.js", "lib"],
+  "files": [
+    "index.js",
+    "lib"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/ampproject/amp-toolbox.git",