diff --git a/docker/docker-py3-kms-minimal/Dockerfile b/docker/docker-py3-kms-minimal/Dockerfile
index 7e0a6c2..abd7cfa 100644
--- a/docker/docker-py3-kms-minimal/Dockerfile
+++ b/docker/docker-py3-kms-minimal/Dockerfile
@@ -1,5 +1,5 @@
 # This is a minimized version from docker/docker-py3-kms/Dockerfile without SQLite support to further reduce image size
-FROM alpine:3.14
+FROM alpine:3.15
 
 ENV IP 0.0.0.0
 ENV PORT 1688