diff --git a/Dockerfile b/Dockerfile
index 5f91edf..3162b2f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.3
+FROM alpine:3.18.0
 
 RUN apk --no-cache add git==2.40.0-r0 openssh==9.3_p1-r1 && \
     mkdir -p ~/.ssh