diff --git a/pkgs/development/libraries/haskell/hspec/default.nix b/pkgs/development/libraries/haskell/hspec/default.nix
index 984a046f501..0c41ab471f8 100644
--- a/pkgs/development/libraries/haskell/hspec/default.nix
+++ b/pkgs/development/libraries/haskell/hspec/default.nix
@@ -1,22 +1,22 @@
 { cabal, ansiTerminal, deepseq, doctest, filepath, ghcPaths
 , hspecExpectations, hspecMeta, HUnit, QuickCheck, quickcheckIo
-, random, setenv, silently, time, transformers
+, random, setenv, silently, tfRandom, time, transformers
 }:
 
 cabal.mkDerivation (self: {
   pname = "hspec";
-  version = "1.8.3";
-  sha256 = "0k5l8r54nc0q5x3czdfxkwa606qnli3a6qm2xd3r5yl5bnz6hzh8";
+  version = "1.9.0";
+  sha256 = "01nwxx63l9cl1smld7pwm59k6shs865iiy1jqwi97lkhzhy9cvhl";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
     ansiTerminal deepseq filepath hspecExpectations HUnit QuickCheck
-    quickcheckIo random setenv time transformers
+    quickcheckIo random setenv tfRandom time transformers
   ];
   testDepends = [
     ansiTerminal deepseq doctest filepath ghcPaths hspecExpectations
-    hspecMeta HUnit QuickCheck quickcheckIo random setenv silently time
-    transformers
+    hspecMeta HUnit QuickCheck quickcheckIo random setenv silently
+    tfRandom time transformers
   ];
   doCheck = false;
   meta = {