diff --git a/Dockerfile b/Dockerfile
index 73fdbd3..50c61a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM public.ecr.aws/docker/library/alpine:3.17.3
+FROM public.ecr.aws/docker/library/alpine:3.18.0
 
 RUN apk add --no-cache gnupg bash