diff --git a/base/rollout.yaml b/base/rollout.yaml
index 0e757da..c051892 100644
--- a/base/rollout.yaml
+++ b/base/rollout.yaml
@@ -29,7 +29,7 @@ spec:
     spec:
       containers:
       - name: rollouts-demo
-        image: harbor.inje-private.com/open/nginx:b
+        image: harbor.inje-private.com/open/nginx:a
         ports:
         - name: http
           containerPort: 80
\ No newline at end of file
diff --git a/overlays/dev/image-patch.yaml b/overlays/dev/image-patch.yaml
index b7565f3..403d0e2 100644
--- a/overlays/dev/image-patch.yaml
+++ b/overlays/dev/image-patch.yaml
@@ -7,4 +7,4 @@ spec:
     spec:
       containers:
         - name: rollouts-demo
-          image: harbor.inje-private.com/open/nginx:b
\ No newline at end of file
+          image: harbor.inje-private.com/open/nginx:a
\ No newline at end of file