diff --git a/container.yaml b/container.yaml
index 1cd7847..b7a8760 100644
--- a/container.yaml
+++ b/container.yaml
@@ -13,7 +13,9 @@ flatpak:
         --filesystem=xdg-config/kdeglobals:ro
         --talk-name=org.kde.kconfig.notify
         --talk-name=org.kde.KGlobalSettings
-    runtime-name: flatpak-kde5-runtime
-    runtime-version: f39
+    runtime-name: flatpak-kde6-runtime
+    runtime-version: f40
     packages:
         - kwrite
+        # for "Highlight changed and unsaved lines"
+        - git-core