diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d4648ad..1035883 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,10 +32,10 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache go modules
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: ${{ runner.os }}-go-
 
       - name: Run go test