diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 7f8bbcb..2833353 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -13,16 +13,20 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18]
+        node-version: [20]
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@v2
+      - name: Install Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
         with:
-          version: 9
+          node-version: ${{ matrix.node-version }}
+          cache: "pnpm"
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
       - run: pnpm install
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 945c434..e83a5be 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,27 +14,22 @@ jobs:
     permissions:
       contents: read
       id-token: write # Needed for https://docs.npmjs.com/generating-provenance-statements
-    strategy:
-      matrix:
-        node-version: [18]
 
     needs: [build-test] # Require standard CI steps to pass before publishing
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Set up .npmrc file to publish to npm. This also allows NODE_AUTH_TOKEN
       # to work below.
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: "18.x"
+          node-version: "20.x"
           registry-url: "https://registry.npmjs.org"
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@v2
-        with:
-          version: 9
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
       - run: pnpm install