diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index ee96ef5b..bc96fb3f 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -24,11 +24,11 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '20.20.0'
       - uses: pnpm/action-setup@v4
         name: Install pnpm
         with:
-          version: 10
+          version: 10.28.0
           run_install: false
       - name: Set workflow variables
         # Id is needed to access output in a next step.
diff --git a/.github/workflows/ci-lint.yml b/.github/workflows/ci-lint.yml
index e9a3b5f1..a6120444 100644
--- a/.github/workflows/ci-lint.yml
+++ b/.github/workflows/ci-lint.yml
@@ -28,15 +28,15 @@ jobs:
       - name: Set up Python 3
         uses: actions/setup-python@v4
         with:
-          python-version: '3.x'
+          python-version: '3.14.2'
       - name: Set up Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '20.20.0'
       - uses: pnpm/action-setup@v4
         name: Install pnpm
         with:
-          version: 10
+          version: 10.28.0
           run_install: false
       - name: Set workflow variables
         # Id is needed to access output in a next step.
diff --git a/.github/workflows/ci-test.yml b/.github/workflows/ci-test.yml
index 9b70d397..15259004 100644
--- a/.github/workflows/ci-test.yml
+++ b/.github/workflows/ci-test.yml
@@ -24,11 +24,11 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '20.20.0'
       - uses: pnpm/action-setup@v4
         name: Install pnpm
         with:
-          version: 10
+          version: 10.28.0
           run_install: false
       - name: Set workflow variables
         # Id is needed to access output in a next step.
diff --git a/.github/workflows/cloudflare-pages.yml b/.github/workflows/cloudflare-pages.yml
index 6548d545..8cbdc8f6 100644
--- a/.github/workflows/cloudflare-pages.yml
+++ b/.github/workflows/cloudflare-pages.yml
@@ -48,11 +48,11 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '20.20.0'
       - uses: pnpm/action-setup@v4
         name: Install pnpm
         with:
-          version: 10
+          version: 10.28.0
           run_install: false
       - name: Set workflow variables
         # Id is needed to access output in a next step.
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 93c8cfa2..c315ee79 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,11 +25,11 @@ jobs:
       - name: Set up Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version: '20.20.0'
       - uses: pnpm/action-setup@v4
         name: Install pnpm
         with:
-          version: 10
+          version: 10.28.0
           run_install: false
       - name: Set workflow variables
         # Id is needed to access output in a next step.