diff --git a/.github/workflows/astro.yml b/.github/workflows/astro.yml
index cc5117e..ed405c3 100644
--- a/.github/workflows/astro.yml
+++ b/.github/workflows/astro.yml
@@ -43,6 +43,11 @@ jobs:
             echo "command=install" >> $GITHUB_OUTPUT
             echo "runner=yarn" >> $GITHUB_OUTPUT
             exit 0
+          if [ -f "${{ github.workspace }}/pnpm-lock.yaml" ]; then
+            echo "manager=pnpm" >> $GITHUB_OUTPUT
+            echo "command=install --frozen-lockfile" >> $GITHUB_OUTPUT
+            echo "runner=pnpx" >> $GITHUB_OUTPUT
+            exit 0
           elif [ -f "${{ github.workspace }}/package.json" ]; then
             echo "manager=npm" >> $GITHUB_OUTPUT
             echo "command=ci" >> $GITHUB_OUTPUT