diff --git a/.github/workflows/buildpack-integration-test.yml b/.github/workflows/buildpack-integration-test.yml
index 663689a75..d90a046fd 100644
--- a/.github/workflows/buildpack-integration-test.yml
+++ b/.github/workflows/buildpack-integration-test.yml
@@ -14,37 +14,7 @@ on:
 permissions: read-all
 
 jobs:
-  nodejs10:
-    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@main
-    with:
-      http-builder-source: 'test/conformance'
-      http-builder-target: 'writeHttpDeclarative'
-      cloudevent-builder-source: 'test/conformance'
-      cloudevent-builder-target: 'writeCloudEventDeclarative'
-      prerun: 'test/conformance/prerun.sh'
-      builder-runtime: 'nodejs10'
-      builder-runtime-version: '10'
-  nodejs12:
-    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@main
-    with:
-      http-builder-source: 'test/conformance'
-      http-builder-target: 'writeHttpDeclarative'
-      cloudevent-builder-source: 'test/conformance'
-      cloudevent-builder-target: 'writeCloudEventDeclarative'
-      prerun: 'test/conformance/prerun.sh'
-      builder-runtime: 'nodejs12'
-      builder-runtime-version: '12'
-  nodejs14:
-    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@main
-    with:
-      http-builder-source: 'test/conformance'
-      http-builder-target: 'writeHttpDeclarative'
-      cloudevent-builder-source: 'test/conformance'
-      cloudevent-builder-target: 'writeCloudEventDeclarative'
-      prerun: 'test/conformance/prerun.sh'
-      builder-runtime: 'nodejs14'
-      builder-runtime-version: '14'
-  nodejs16:
+  nodejs18:
     uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@main
     with:
       http-builder-source: 'test/conformance'
@@ -52,9 +22,10 @@ jobs:
       cloudevent-builder-source: 'test/conformance'
       cloudevent-builder-target: 'writeCloudEventDeclarative'
       prerun: 'test/conformance/prerun.sh'
-      builder-runtime: 'nodejs16'
-      builder-runtime-version: '16'
-  nodejs18:
+      builder-runtime: 'nodejs18'
+      builder-runtime-version: '18'
+      builder-url: 'us-docker.pkg.dev/serverless-runtimes/google-22-full/builder/nodejs:latest'
+  nodejs20:
     uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@main
     with:
       http-builder-source: 'test/conformance'
@@ -62,9 +33,10 @@ jobs:
       cloudevent-builder-source: 'test/conformance'
       cloudevent-builder-target: 'writeCloudEventDeclarative'
       prerun: 'test/conformance/prerun.sh'
-      builder-runtime: 'nodejs18'
-      builder-runtime-version: '18'
-  nodejs20:
+      builder-runtime: 'nodejs20'
+      builder-runtime-version: '20'
+      builder-url: 'us-docker.pkg.dev/serverless-runtimes/google-22-full/builder/nodejs:latest'
+  nodejs22:
     uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@main
     with:
       http-builder-source: 'test/conformance'
@@ -72,5 +44,6 @@ jobs:
       cloudevent-builder-source: 'test/conformance'
       cloudevent-builder-target: 'writeCloudEventDeclarative'
       prerun: 'test/conformance/prerun.sh'
-      builder-runtime: 'nodejs20'
-      builder-runtime-version: '20'
+      builder-runtime: 'nodejs22'
+      builder-runtime-version: '22'
+      builder-url: 'us-docker.pkg.dev/serverless-runtimes/google-22-full/builder/nodejs:latest'
diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index b4ba75c9e..89c89f47c 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10, 12, 14, 16, 18, 20]
+        node-version: [18, 20, 22]
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e6e82099d..eba94b65e 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
         with:
-          node-version: '14'
+          node-version: '20'
       - name: Install dependencies
         run: npm ci
       - name: Build docs
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 26a4effc0..a4e1baad6 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -25,12 +25,12 @@ jobs:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
         with:
-          node-version: '16.x'
+          node-version: '20.x'
       - run: npm install
       - run: npm run build
       - uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
         with:
-          node-version: '16.x'
+          node-version: '20.x'
           registry-url: 'https://wombat-dressing-room.appspot.com'
       - id: publish
         env:
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 750bccb2a..4e0337b46 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -11,7 +11,7 @@ jobs:
   test:
     strategy:
       matrix:
-        node-version: [10, 12, 14, 16, 18, 20]
+        node-version: [18, 20, 22]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps: