diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 15d4e4d..ab5a3c0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -86,7 +86,7 @@ jobs:
         uses: actions/cache@v2.1.6
         with:
           path: ${{ steps.properties.outputs.pluginVerifierHomeDir }}/ides
-          key: plugin-verifier-${{ hashFiles("build/listProductsReleases.txt") }}
+          key: plugin-verifier-${{ hashFiles('build/listProductsReleases.txt') }}
 
       # Run Verify Plugin task and IntelliJ Plugin Verifier tool
       - name: Run Plugin Verification tasks