diff --git a/Dockerfile b/Dockerfile
index 5884a93..2c5b328 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ENV KUBECTL_VERSION=1.30
 
 USER root
 
-RUN apk add --no-cache kubectl~${KUBECTL_VERSION} curl yq jq
+RUN apk add --no-cache kubectl~${KUBECTL_VERSION} curl yq jq retry
 
 USER openbao