diff --git a/services/uka-webserver/Dockerfile b/services/uka-webserver/Dockerfile
index e5c5ebeee..61ec48b7a 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:f065c176b479938a11d4d893904ce412584bf1272d2ba2ce0955671e6236826e
 
 ENV APACHE_DOCUMENT_ROOT /project/uka/web/public