diff --git a/services/uka-webserver/Dockerfile b/services/uka-webserver/Dockerfile
index 0b2ff98a..341e057c 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@sha256:239772b092f6f21965834817c8419152251263859e563a5625d3f4b7309f17ba
 
 ENV APACHE_DOCUMENT_ROOT /project/uka/web/public