diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ddf1c5f5d2..71eab491d9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,9 +33,9 @@ jobs:
           ~/.cache
           ~/work/pmd/target/repositories
           vendor/bundle
-        key: v1-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
+        key: v2-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
         restore-keys: |
-          v1-${{ runner.os }}-
+          v2-${{ runner.os }}-
     - name: Set up Ruby 2.7
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/troubleshooting.yml b/.github/workflows/troubleshooting.yml
index 0a14647a72..a211ef498b 100644
--- a/.github/workflows/troubleshooting.yml
+++ b/.github/workflows/troubleshooting.yml
@@ -21,9 +21,9 @@ jobs:
               ~/.cache
               ~/work/pmd/target/repositories
               vendor/bundle
-          key: v1-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
+          key: v2-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
-            v1-${{ runner.os }}-
+            v2-${{ runner.os }}-
       - name: Set up Ruby 2.7
         uses: ruby/setup-ruby@v1
         with: