diff --git a/Containers/watchtower/Dockerfile b/Containers/watchtower/Dockerfile
index bb9e8bb4..3c5889f7 100644
--- a/Containers/watchtower/Dockerfile
+++ b/Containers/watchtower/Dockerfile
@@ -1,7 +1,7 @@
 # From https://github.com/containrrr/watchtower/blob/main/dockerfiles/Dockerfile.self-contained
 FROM containrrr/watchtower:1.5.3 as watchtower
 
-FROM alpine:3.18.2
+FROM alpine:3.18.3
 
 RUN apk add --no-cache bash
 COPY --from=watchtower /watchtower /watchtower