diff --git a/Dockerfile b/Dockerfile
index d7b7245..20886e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 LABEL "com.github.actions.icon"="check-circle"
 LABEL "com.github.actions.color"="green"
 LABEL "com.github.actions.name"="PHPCS Code Review"