diff --git a/Dockerfile b/Dockerfile
index 8e0f846..147f951 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine as certs
 
 RUN apk --update add ca-certificates
 
-FROM gcr.io/kaniko-project/executor:v1.20.0-debug
+FROM gcr.io/kaniko-project/executor:v1.21.1-debug
 
 SHELL ["/busybox/sh", "-c"]