diff --git a/container.yaml b/container.yaml
index 0d53992..9221e98 100644
--- a/container.yaml
+++ b/container.yaml
@@ -14,8 +14,8 @@ flatpak:
         - kdevelop-php
     command: kdevelop
     add-extensions:
-        org.fedoraproject.Sdk.Extension.llvm20:
-            directory: lib/sdk/llvm20
+        org.fedoraproject.Sdk.Extension.llvm21:
+            directory: lib/sdk/llvm21
     finish-args: |-
         --allow=devel
         --device=dri
@@ -27,7 +27,7 @@ flatpak:
         --socket=wayland
         --socket=x11
         --talk-name=org.freedesktop.Flatpak
-        --env=PATH=/app/bin:/usr/lib/sdk/llvm20/bin:/usr/bin
+        --env=PATH=/app/bin:/usr/lib/sdk/llvm21/bin:/usr/bin
     cleanup-commands: |
         mv /app/share/mime/packages/{,org.kde.}kdevelop.xml
         mv /app/share/mime/packages/{kdev,org.kde.kdevelop-}clang.xml