diff --git a/fused-effects-exceptions.cabal b/fused-effects-exceptions.cabal
index 920a06d..a322e2b 100644
--- a/fused-effects-exceptions.cabal
+++ b/fused-effects-exceptions.cabal
@@ -35,6 +35,7 @@ library
 
 test-suite test
   type: exitcode-stdio-1.0
+  default-language: Haskell2010
   hs-source-dirs: test
   main-is: Main.hs
   build-depends: