@@ -375,7 +375,7 @@ Test-Suite test-pandoc
375375 directory >= 1 && < 1.3,
376376 filepath >= 1.1 && < 1.4,
377377 process >= 1 && < 1.2,
378− Diff >= 0.2 && < 0.3,
378+ Diff >= 0.2 && < 0.4,
379379 test-framework >= 0.3 && < 0.9,
380380 test-framework-hunit >= 0.2 && < 0.4,
381381 test-framework-quickcheck2 >= 0.2.9 && < 0.4,