diff --git a/Dockerfile b/Dockerfile
index b0cff34..c51a9a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.4
+FROM alpine:3.18.5
 
 # hadolint ignore=DL3018
 RUN apk --no-cache add bash grep sed netcat-openbsd