diff --git a/graphql-jit/package-lock.json b/graphql-jit/package-lock.json
index e7f227b7..2cf7afa4 100644
--- a/graphql-jit/package-lock.json
+++ b/graphql-jit/package-lock.json
@@ -7,7 +7,7 @@
       "dependencies": {
         "@graphql-tools/schema": "~9.0.0",
         "apollo-server-express": "~3.12.0",
-        "graphql": "~16.6.0",
+        "graphql": "~16.8.0",
         "graphql-jit": "~0.8.0"
       }
     },
@@ -872,9 +872,9 @@
       }
     },
     "node_modules/graphql": {
-      "version": "16.6.0",
-      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.6.0.tgz",
-      "integrity": "sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw==",
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==",
       "engines": {
         "node": "^12.22.0 || ^14.16.0 || ^16.0.0 || >=17.0.0"
       }
@@ -2130,9 +2130,9 @@
       }
     },
     "graphql": {
-      "version": "16.6.0",
-      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.6.0.tgz",
-      "integrity": "sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw=="
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw=="
     },
     "graphql-jit": {
       "version": "0.8.0",
diff --git a/graphql-jit/package.json b/graphql-jit/package.json
index 377fa710..868dfbd6 100644
--- a/graphql-jit/package.json
+++ b/graphql-jit/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "@graphql-tools/schema": "~9.0.0",
     "apollo-server-express": "~3.12.0",
-    "graphql": "~16.6.0",
+    "graphql": "~16.8.0",
     "graphql-jit": "~0.8.0"
   },
   "type": "module"
diff --git a/graphql-js/package-lock.json b/graphql-js/package-lock.json
index 777a5160..ccecab24 100644
--- a/graphql-js/package-lock.json
+++ b/graphql-js/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "dependencies": {
         "express": "~4.18.0",
-        "graphql": "~16.6.0",
+        "graphql": "~16.8.0",
         "graphql-helix": "~1.13.0"
       }
     },
@@ -246,9 +246,9 @@
       }
     },
     "node_modules/graphql": {
-      "version": "16.6.0",
-      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.6.0.tgz",
-      "integrity": "sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw==",
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==",
       "engines": {
         "node": "^12.22.0 || ^14.16.0 || ^16.0.0 || >=17.0.0"
       }
@@ -790,9 +790,9 @@
       }
     },
     "graphql": {
-      "version": "16.6.0",
-      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.6.0.tgz",
-      "integrity": "sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw=="
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw=="
     },
     "graphql-helix": {
       "version": "1.13.0",
diff --git a/graphql-js/package.json b/graphql-js/package.json
index 4247e8d4..796b5a5b 100644
--- a/graphql-js/package.json
+++ b/graphql-js/package.json
@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "express": "~4.18.0",
-    "graphql": "~16.6.0",
+    "graphql": "~16.8.0",
     "graphql-helix": "~1.13.0"
   },
   "type": "module"
diff --git a/hono/package-lock.json b/hono/package-lock.json
index f76bb3ee..43d1d7ba 100644
--- a/hono/package-lock.json
+++ b/hono/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "dependencies": {
         "@honojs/graphql-server": "0.1.2",
-        "graphql": "16.6.0",
+        "graphql": "16.8.1",
         "hono": "2.7.8"
       }
     },
@@ -26,9 +26,9 @@
       }
     },
     "node_modules/graphql": {
-      "version": "16.6.0",
-      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.6.0.tgz",
-      "integrity": "sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw==",
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==",
       "engines": {
         "node": "^12.22.0 || ^14.16.0 || ^16.0.0 || >=17.0.0"
       }
@@ -52,9 +52,9 @@
       }
     },
     "graphql": {
-      "version": "16.6.0",
-      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.6.0.tgz",
-      "integrity": "sha512-KPIBPDlW7NxrbT/eh4qPXz5FiFdL5UbaA0XUNz2Rp3Z3hqBSkbj0GVjwFDztsWVauZUWsbKHgMg++sk8UX0bkw=="
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw=="
     },
     "hono": {
       "version": "2.7.8",
diff --git a/hono/package.json b/hono/package.json
index 09590676..39ea2339 100644
--- a/hono/package.json
+++ b/hono/package.json
@@ -1,7 +1,7 @@
 {
   "main": "index.js",
   "dependencies": {
-    "graphql": "16.6.0",
+    "graphql": "16.8.1",
     "hono": "2.7.8",
     "@honojs/graphql-server": "0.1.2"
   },