diff --git a/Containers/watchtower/Dockerfile b/Containers/watchtower/Dockerfile
index 8cf9f951..7521fd40 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:1.4.0 as watchtower
 
-FROM alpine:3.15.4
+FROM alpine:3.16.1
 
 RUN apk add --update --no-cache bash
 COPY --from=watchtower /watchtower /