diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b41cd9b2..96b598ad 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -84,10 +84,12 @@ jobs:
           go-version-file: 'go.mod'
       - name: run unit tests
         # we don't have 'make' on windows.
+        shell: bash
         run: |
           go test ./cmd/... ./integration-test/... ./internal/...
       - name: run integration tests
         # we don't have 'make' on windows.
+        shell: bash
         run: |
           go test --tags=integration  ./cmd/... ./integration-test/... ./internal/...