diff --git a/.github/workflows/helm-repository-sync.yaml b/.github/workflows/helm-repository-sync.yaml
index 5ae8e7a00..5ef685294 100644
--- a/.github/workflows/helm-repository-sync.yaml
+++ b/.github/workflows/helm-repository-sync.yaml
@@ -83,6 +83,7 @@ jobs:
         name: Sync Helm Repository
         env:
           KUBECONFIG: ${{ steps.kubeconfig.outputs.filePath }}
+        shell: bash
         run: |
           declare -a repos=()
           for f in ${{ steps.changed-files.outputs.all_changed_and_modified_files }}; do
@@ -104,6 +105,7 @@ jobs:
         name: Sync Helm Repository
         env:
           KUBECONFIG: ${{ steps.kubeconfig.outputs.filePath }}
+        shell: bash
         run: |
           flux \
               --context ${{ github.event.inputs.clusterName }} \
diff --git a/.github/workflows/utility-ks-sync.yaml b/.github/workflows/utility-ks-sync.yaml
index 6d53c5fcb..65983a4a4 100644
--- a/.github/workflows/utility-ks-sync.yaml
+++ b/.github/workflows/utility-ks-sync.yaml
@@ -60,6 +60,7 @@ jobs:
       - name: Sync Kustomization
         env:
           KUBECONFIG: ${{ steps.kubeconfig.outputs.filePath }}
+        shell: bash
         run: |
           flux \
               --context ${{ matrix.cluster }} \