diff --git a/.github/actions/build-cache/action.yml b/.github/actions/build-cache/action.yml
index 307c2e91c0..9a7f2560e4 100644
--- a/.github/actions/build-cache/action.yml
+++ b/.github/actions/build-cache/action.yml
@@ -9,11 +9,11 @@ runs:
       uses: actions/cache/restore@v4
       with:
         path: ~/go/pkg/mod
-        key: ${{ runner.os }}-{{ hashFiles('**/go.sum') }}-go
+        key: ${{ runner.os }}-${{ hashFiles('**/go.sum') }}-go
     - name: Restore Maven Modules Cache
       id: cache-maven
       uses: actions/cache/restore@v4
       with:
         path: ~/.m2/repository
-        key: ${{ runner.os }}-{{ hashFiles('**/pom.xml') }}-maven
+        key: ${{ runner.os }}-${{ hashFiles('**/pom.xml') }}-maven
 
diff --git a/.github/workflows/writecache.yml b/.github/workflows/writecache.yml
index 86b100a720..fdccfc0d57 100644
--- a/.github/workflows/writecache.yml
+++ b/.github/workflows/writecache.yml
@@ -23,10 +23,10 @@ jobs:
         uses: actions/cache/save@v4
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-{{ hashFiles('**/go.sum') }}-go
+          key: ${{ runner.os }}-${{ hashFiles('**/go.sum') }}-go
       - name: Save Maven Modules Cache
         id: cache-maven
         uses: actions/cache/save@v4
         with:
           path: ~/.m2/repository
-          key: ${{ runner.os }}-{{ hashFiles('**/pom.xml') }}-maven
+          key: ${{ runner.os }}-${{ hashFiles('**/pom.xml') }}-maven