diff --git a/semantic-diff.cabal b/semantic-diff.cabal
index 5690d4ad5..8bb6058c2 100644
--- a/semantic-diff.cabal
+++ b/semantic-diff.cabal
@@ -43,7 +43,7 @@ library
                      , c-storable-deriving
                      , vector
   default-language:    Haskell2010
-  default-extensions:  OverloadedStrings
+  default-extensions:  DeriveFunctor, DeriveFoldable, DeriveTraversable, DeriveGeneric, OverloadedStrings
   ghc-options:        -Wall -fno-warn-name-shadowing -O2 -threaded -fprof-auto "-with-rtsopts=-N -p -s -h -i0.1"
 
 executable semantic-diff-exe
@@ -100,7 +100,7 @@ test-suite semantic-diff-test
                      , quickcheck-text
   ghc-options:         -threaded -rtsopts -with-rtsopts=-N
   default-language:    Haskell2010
-  default-extensions:  OverloadedStrings
+  default-extensions:  DeriveGeneric, OverloadedStrings
 
 source-repository head
   type:     git