diff --git a/linux/Dockerfile b/linux/Dockerfile
index 1b96c18..4e75490 100644
--- a/linux/Dockerfile
+++ b/linux/Dockerfile
@@ -15,7 +15,7 @@ RUN cd /app && go get -d \
     -ldflags "-s -w -extldflags \"-static\"" \
     -o /bin/cat cat.go
 
-FROM alpine:3.17.2
+FROM alpine:3.17.3
 
 ENV LANG=C.UTF-8
 ENV SERVER_PORT=8080