diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 5c6c1632..1da47cf5 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v5
         with:
-          node-version: '20.x'
+          node-version: '20.20.1'
           cache: yarn
       - name: Install dependencies
         run: yarn install --frozen-lockfile
diff --git a/.github/workflows/ci-lint.yml b/.github/workflows/ci-lint.yml
index 929acf80..c670cc96 100644
--- a/.github/workflows/ci-lint.yml
+++ b/.github/workflows/ci-lint.yml
@@ -32,11 +32,11 @@ jobs:
       - name: Set up Python 3
         uses: actions/setup-python@v6
         with:
-          python-version: '3.x'
+          python-version: '3.14.3'
       - name: Set up Node.js 20
         uses: actions/setup-node@v5
         with:
-          node-version: '20.x'
+          node-version: '20.20.1'
           cache: yarn
       - name: Install dependencies
         run: yarn install --frozen-lockfile
diff --git a/.github/workflows/cloudflare-deploy.yml b/.github/workflows/cloudflare-deploy.yml
index 606f8ee6..c622241c 100644
--- a/.github/workflows/cloudflare-deploy.yml
+++ b/.github/workflows/cloudflare-deploy.yml
@@ -51,7 +51,7 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v5
         with:
-          node-version: '20.x'
+          node-version: '20.20.1'
           cache: yarn
       - name: Install dependencies
         run: yarn install --frozen-lockfile
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 96f20ecd..65e90886 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '20.20.1'
           cache: yarn
       - name: Install dependencies
         run: yarn install --frozen-lockfile