diff --git a/Dockerfile-3.11 b/Dockerfile-3.11
index 281360c..6298994 100644
--- a/Dockerfile-3.11
+++ b/Dockerfile-3.11
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.11
+FROM alpine:3.18.5
 
 LABEL maintainer="Andrius Kairiukstis <k@andrius.mobi>"