diff --git a/Dockerfile-3.12 b/Dockerfile-3.12
index 2fd509f..8f898f2 100644
--- a/Dockerfile-3.12
+++ b/Dockerfile-3.12
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM alpine:3.12
+FROM alpine:3.18.6
 
 LABEL maintainer="Andrius Kairiukstis <k@andrius.mobi>"