diff --git a/pkgs/development/libraries/haskell/hspec/default.nix b/pkgs/development/libraries/haskell/hspec/default.nix
index 0c41ab471f8..5ba74dde34c 100644
--- a/pkgs/development/libraries/haskell/hspec/default.nix
+++ b/pkgs/development/libraries/haskell/hspec/default.nix
@@ -5,8 +5,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hspec";
-  version = "1.9.0";
-  sha256 = "01nwxx63l9cl1smld7pwm59k6shs865iiy1jqwi97lkhzhy9cvhl";
+  version = "1.9.1";
+  sha256 = "1klx7gxg4a98rjhln6ixlmfvsgpxdkdg56jbl06bfxp2lmfyxm9p";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [