diff --git a/services/uka-webserver/Dockerfile b/services/uka-webserver/Dockerfile
index 9cd2bdff6..9eeed7882 100644
--- a/services/uka-webserver/Dockerfile
+++ b/services/uka-webserver/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.1-apache@sha256:72f0c0134922985022d55a39b0390d35dc7a10e961aa6c44fa35b4c3102f4268
+FROM php:8.3-apache@sha256:a05f87f7f1e3927b9f3a44d64c01dfe15992328fa179bdfa72ad06e66769ff57
 
 ENV APACHE_DOCUMENT_ROOT /project/uka/web/public