diff --git a/Dockerfile b/Dockerfile
index 04a429f..1700afb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ RUN apk add dos2unix --no-cache --update && rm -rf /var/cache/apk/*
 COPY plugin.sh ./
 RUN dos2unix plugin.sh
 
-FROM gcr.io/kaniko-project/executor:v1.12.1-debug
+FROM gcr.io/kaniko-project/executor:v1.21.1-debug
 
 ENV HOME /root
 ENV USER root