diff --git a/Dockerfile b/Dockerfile
index 225b3bd..f868034 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.2
+FROM alpine:3.18.3
 
 RUN apk add --no-cache --upgrade openssh && \
     mv /etc/ssh/sshd_config /etc/sshd_config && \