diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 37acb55..2576ae3 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -21,6 +21,9 @@ jobs:
         with:
           node-version: 20.x
 
+      - name: Set up pnpm
+        run: corepack enable pnpm && corepack install
+
       - name: Install dependencies
         run: pnpm install --frozen-lockfile