diff --git a/.github/workflows/test-build-dep.yaml b/.github/workflows/test-build-dep.yaml
index 1598970..5d4285c 100644
--- a/.github/workflows/test-build-dep.yaml
+++ b/.github/workflows/test-build-dep.yaml
@@ -146,7 +146,7 @@ jobs:
       id: login
       # https://github.com/Azure/k8s-deploy/
     - name: Deploy to k8s
-      uses: Azure/k8s-deploy@v1.4
+      uses: Azure/k8s-deploy@v4.9
       with:
         namespace: api
         # Specify what manifest file or files to use - for now, the comms manifest files are in the manifests folder in the comms repo
@@ -178,14 +178,14 @@ jobs:
       id: login
       # https://github.com/Azure/k8s-deploy/
     - name: Deploy to k8s
-      uses: Azure/k8s-deploy@v1.4
+      uses: Azure/k8s-deploy@v4.9
       with:
         namespace: public
         # Specify what manifest file or files to use - for now, the comms manifest files are in the manifests folder in the comms repo
         manifests: |
           manifests/app-service.yaml
     - name: Deploy reverse proxy
-      uses: Azure/k8s-deploy@v1.4
+      uses: Azure/k8s-deploy@v4.9
       with:
         namespace: istio-system
         # Specify what manifest file or files to use - for now, the comms manifest files are in the manifests folder in the comms repo