diff --git a/pkgs/development/libraries/haskell/MFlow/default.nix b/pkgs/development/libraries/haskell/MFlow/default.nix
index 8e5969bbf27..bfefa0bead2 100644
--- a/pkgs/development/libraries/haskell/MFlow/default.nix
+++ b/pkgs/development/libraries/haskell/MFlow/default.nix
@@ -1,29 +1,21 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, acidState, aws, blazeHtml, blazeMarkup, caseInsensitive
-, clientsession, conduit, conduitExtra, cpphs, extensibleExceptions
-, hamlet, hscolour, httpConduit, httpTypes, monadloc, monadLogger
-, mtl, network, parsec, persistent, persistentSqlite
-, persistentTemplate, pwstoreFast, random, RefSerialize, resourcet
-, safecopy, shakespeare, stm, TCache, tcacheAWS, text, time
-, transformers, utf8String, vector, wai, waiExtra, warp, warpTls
-, Workflow
+{ cabal, blazeHtml, blazeMarkup, caseInsensitive, clientsession
+, conduit, conduitExtra, cpphs, extensibleExceptions, httpTypes
+, monadloc, mtl, parsec, pwstoreFast, random, RefSerialize
+, resourcet, stm, TCache, text, time, transformers, utf8String
+, vector, wai, waiExtra, warp, warpTls, Workflow
 }:
 
 cabal.mkDerivation (self: {
   pname = "MFlow";
-  version = "0.4.5.5";
-  sha256 = "0ggwzjxhw2xmp2m6a560pn5m0qfn80x5q23vrd2k9aqxh8n2k6i5";
-  isLibrary = true;
-  isExecutable = true;
+  version = "0.4.5.6";
+  sha256 = "12rgp4x2in3r1hf4j1fr5ih0x0mb54x1rdr1mjllbh8c09ricrah";
   buildDepends = [
-    acidState aws blazeHtml blazeMarkup caseInsensitive clientsession
-    conduit conduitExtra extensibleExceptions hamlet hscolour
-    httpConduit httpTypes monadloc monadLogger mtl network parsec
-    persistent persistentSqlite persistentTemplate pwstoreFast random
-    RefSerialize resourcet safecopy shakespeare stm TCache tcacheAWS
-    text time transformers utf8String vector wai waiExtra warp warpTls
-    Workflow
+    blazeHtml blazeMarkup caseInsensitive clientsession conduit
+    conduitExtra extensibleExceptions httpTypes monadloc mtl parsec
+    pwstoreFast random RefSerialize resourcet stm TCache text time
+    transformers utf8String vector wai waiExtra warp warpTls Workflow
   ];
   buildTools = [ cpphs ];
   meta = {