diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 490ea8b..329d37e 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -36,6 +36,11 @@ jobs:
       with:
         node-version: 21
 
+    - name: Install pnpm
+      run: |
+        corepack enable
+        corepack prepare pnpm@latest --activate
+
     - name: Install dependencies
       run: pnpm install
 
@@ -82,6 +87,11 @@ jobs:
       with:
         node-version: '21'
 
+    - name: Install pnpm
+      run: |
+        corepack enable
+        corepack prepare pnpm@latest --activate
+
     - name: Install dependencies
       run: pnpm install