diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index e861206ecc3..e676cf3132a 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 LABEL org.opencontainers.image.source="https://github.com/nextcloud/documentation"
 LABEL org.opencontainers.image.description="Sphinx build environment for Nextcloud documentation"