diff --git a/.github/workflows/__config-input.yml b/.github/workflows/__config-input.yml
index 4267e0058..f3f248cda 100644
--- a/.github/workflows/__config-input.yml
+++ b/.github/workflows/__config-input.yml
@@ -51,6 +51,8 @@ jobs:
         with:
           node-version: 20.x
           cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
       - name: Install dependencies
         run: npm ci
       - name: Prepare test
diff --git a/.github/workflows/__packaging-codescanning-config-inputs-js.yml b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
index 409e0a1a6..4cb0499d6 100644
--- a/.github/workflows/__packaging-codescanning-config-inputs-js.yml
+++ b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
@@ -84,6 +84,8 @@ jobs:
         with:
           node-version: 20.x
           cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
       - name: Install dependencies
         run: npm ci
       - name: Prepare test
diff --git a/.github/workflows/__packaging-config-inputs-js.yml b/.github/workflows/__packaging-config-inputs-js.yml
index 34d4ae1bc..ed049214e 100644
--- a/.github/workflows/__packaging-config-inputs-js.yml
+++ b/.github/workflows/__packaging-config-inputs-js.yml
@@ -84,6 +84,8 @@ jobs:
         with:
           node-version: 20.x
           cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
       - name: Install dependencies
         run: npm ci
       - name: Prepare test
diff --git a/.github/workflows/__packaging-config-js.yml b/.github/workflows/__packaging-config-js.yml
index 88426cd68..7cf99882b 100644
--- a/.github/workflows/__packaging-config-js.yml
+++ b/.github/workflows/__packaging-config-js.yml
@@ -84,6 +84,8 @@ jobs:
         with:
           node-version: 20.x
           cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
       - name: Install dependencies
         run: npm ci
       - name: Prepare test
diff --git a/.github/workflows/__packaging-inputs-js.yml b/.github/workflows/__packaging-inputs-js.yml
index 2461944db..6b488a7cf 100644
--- a/.github/workflows/__packaging-inputs-js.yml
+++ b/.github/workflows/__packaging-inputs-js.yml
@@ -84,6 +84,8 @@ jobs:
         with:
           node-version: 20.x
           cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
       - name: Install dependencies
         run: npm ci
       - name: Prepare test
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index ae70f33d8..b2ce0a614 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -47,6 +47,12 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: "npm"
 
+      # Install a new enough version of `npm` to understand `min-release-age`
+      # that is still compatible with Node 20.
+      - name: Install newer npm
+        if: matrix.node-version == 20
+        run: npm install -g npm@11.19.1
+
       - name: Install dependencies
         run: |
           # Use the system Bash shell to ensure we can run commands like `npm ci`
diff --git a/pr-checks/sync.ts b/pr-checks/sync.ts
index f0942ad2d..23ff6fc23 100755
--- a/pr-checks/sync.ts
+++ b/pr-checks/sync.ts
@@ -221,6 +221,12 @@ const languageSetups: LanguageSetups = {
           cache: "npm",
         },
       },
+      // Install a new enough version of `npm` to understand `min-release-age`
+      // that is still compatible with Node 20.
+      {
+        name: "Install newer npm",
+        run: "npm install -g npm@11.19.1",
+      },
       {
         name: "Install dependencies",
         run: "npm ci",