diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index fd5381e..14d9fac 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -42,7 +42,7 @@ jobs:
 
       - name: setup sshd server
         run: |
-          apk add git make curl perl bash build-base zlib-dev ucl-dev sudo
+          apk add git make curl perl bash build-base zlib-dev ucl-dev sudo gpg
           make ssh-server
 
       - name: testing
@@ -51,3 +51,5 @@ jobs:
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
+        with:
+          flags: go-${{ matrix.go-version }}