diff --git a/Dockerfile b/Dockerfile
index 8f561ad..9c02718 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.0
+FROM alpine:3.21.2
 
 # hadolint ignore=DL3018
 RUN apk --no-cache add socat