diff --git a/services/uka-webserver/Dockerfile b/services/uka-webserver/Dockerfile
index e5c5ebeee..bcdb4c03b 100644
--- a/services/uka-webserver/Dockerfile
+++ b/services/uka-webserver/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.1-apache@sha256:72f0c0134922985022d55a39b0390d35dc7a10e961aa6c44fa35b4c3102f4268
+FROM php:8.4-apache@sha256:2c00551ed76646b92c929886e5521988a234f34bb495b387a4acbe5ce8597069
 
 ENV APACHE_DOCUMENT_ROOT /project/uka/web/public