diff --git a/Dockerfile b/Dockerfile
index ac5d7c9..b37a870 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17
+FROM alpine:3.18
 
 RUN apk add --no-cache mono --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing && \
     apk add --no-cache --virtual=.build-dependencies ca-certificates && \