diff --git a/pkgs/development/libraries/haskell/shakespeare-js/default.nix b/pkgs/development/libraries/haskell/shakespeare-js/default.nix
index 917ea0c6cad..6aa34026ce8 100644
--- a/pkgs/development/libraries/haskell/shakespeare-js/default.nix
+++ b/pkgs/development/libraries/haskell/shakespeare-js/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "shakespeare-js";
-  version = "1.1.4.1";
-  sha256 = "1mvsdbc3c6vgdpdb4m8b2d28vrh79v64vb9wkpnvhfg0jn7kb5c0";
+  version = "1.2.0";
+  sha256 = "1g37m7shqxfv7i2dk5qhvxldfzh1xipd91vcyqhks1jwa5byarzj";
   buildDepends = [ aeson shakespeare text ];
   testDepends = [ aeson hspec HUnit shakespeare text ];
   meta = {