diff --git a/src/app/Dockerfile b/src/app/Dockerfile
index 8223836..b31bab2 100644
--- a/src/app/Dockerfile
+++ b/src/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.17
 EXPOSE 9000/tcp
 
 ENV SCRIPT_ROOT=/opt/tt-rss