diff --git a/data/Dockerfile b/data/Dockerfile
index 2f797a2..4aa2390 100644
--- a/data/Dockerfile
+++ b/data/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:24.04
 
 COPY mapfiles /etc/mapserver
 VOLUME /etc/mapserver