diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..4eca2d3
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,71 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write # Semantic Action requires this to create tags
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # Semantic Action requires nodejs but won't run in checkout dir
+      - name: Copy .tool-versions to home
+        run: cp .tool-versions $HOME
+
+      - name: Install node using asdf
+        uses: asdf-vm/actions/install@v3
+
+      - name: Get npm cache path
+        id: npm-cache-dir
+        shell: bash
+        run: echo "dir=$(npm config get cache)" >> ${GITHUB_OUTPUT}
+
+      - name: Cache npm cache directory
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.npm-cache-dir.outputs.dir }}
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: Build extension for all browsers
+        run: BROWSER=all make build
+
+      - name: Semantic Release (Dry Run)
+        if: github.event_name == 'pull_request'
+        uses: cycjimmy/semantic-release-action@v4
+        with:
+          dry_run: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Semantic Release
+        if: github.event_name != 'pull_request'
+        uses: cycjimmy/semantic-release-action@v4
+        id: semantic
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Archive browser extensions
+        if: steps.semantic.outputs.new_release_published == 'true' && github.event_name != 'pull_request'
+        run: |
+          mkdir -p "${GITHUB_WORKSPACE}/archives"
+          for browser in chrome edge firefox; do
+            cd "${GITHUB_WORKSPACE}/dist/$browser"
+            zip -r "${GITHUB_WORKSPACE}/archives/$browser-gno-sidecar-${{ steps.semantic.outputs.new_release_version }}.zip" *
+          done
+
+      - name: Upload extensions to Github Release
+        if: steps.semantic.outputs.new_release_published == 'true' && github.event_name != 'pull_request'
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ steps.semantic.outputs.new_release_git_tag }}
+          body: ${{ steps.semantic.outputs.new_release_notes }}
+          files: ${{ github.workspace }}/archives/*.zip
diff --git a/manifest.json b/manifest.json
index 57776d6..5281ea2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
   "manifest_version": 3,
-  "version": "1.0",
+  "version": "1.0.0",
   "name": "Gno Sidecar",
   "description": "A browser extension for Gnoweb and more broadly Gno, providing a set of devtools, tweaks and experimentation.",
   "author": "Gno R&D",
diff --git a/package.json b/package.json
index dd178d8..2c1c5fb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "gno-sidecar",
   "description": "A browser extension for Gnoweb and more broadly Gno, providing a set of devtools, tweaks and experimentation.",
-  "version": "1.0",
+  "version": "1.0.0",
   "license": "Apache-2.0",
   "author": {
     "name": "Gno R&D",
@@ -27,11 +27,49 @@
     "tailwindcss": "^3.4.1"
   },
   "devDependencies": {
+    "@semantic-release/git": "^10.0.1",
     "@types/react": "^18.3.5",
     "@types/react-dom": "^18.3.0",
     "extension": "latest",
     "node-polyfill-webpack-plugin": "^4.0.0",
+    "semantic-release-replace-plugin": "^1.2.7",
     "typescript": "5.3.3"
   },
+  "release": {
+    "plugins": [
+      "@semantic-release/commit-analyzer",
+      [
+        "semantic-release-replace-plugin",
+        {
+          "replacements": [
+            {
+              "files": [
+                "manifest.json"
+              ],
+              "from": "\"version\": \".*\"",
+              "to": "\"version\": \"${nextRelease.version}\"",
+              "results": [
+                {
+                  "file": "manifest.json",
+                  "hasChanged": true,
+                  "numMatches": 1,
+                  "numReplacements": 1
+                }
+              ],
+              "countMatches": true
+            }
+          ]
+        }
+      ],
+      [
+        "@semantic-release/git",
+        {
+          "assets": [
+            "manifest.json"
+          ]
+        }
+      ]
+    ]
+  },
   "private": true
 }