1 files changed, 1 insertions, 0 deletions
diff --git a/elna.cabal b/elna.cabal
index e82cffc..9f07012 100644
--- a/elna.cabal
+++ b/elna.cabal
@@ -21,6 +21,7 @@ common warnings
         text ^>= 2.0
     ghc-options: -Wall
     default-extensions:
+        DataKinds,
         ExplicitForAll,
         LambdaCase,
         OverloadedStrings,