diff --git a/pkgs/development/libraries/haskell/linear/default.nix b/pkgs/development/libraries/haskell/linear/default.nix
index b57879085bfa..f0dac623a987 100644
--- a/pkgs/development/libraries/haskell/linear/default.nix
+++ b/pkgs/development/libraries/haskell/linear/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "linear";
-  version = "1.9.0.1";
-  sha256 = "1ibdv1915rqz6dp8qg1nipnwwk345n4c5n51i8nn1h7p7jp53hhs";
+  version = "1.9.1";
+  sha256 = "17jvqy2nbcra36fzkwbjkfwg6mjw804zd1i50mhbqwg9j7z4s5sb";
   buildDepends = [
     adjunctions binary distributive hashable lens reflection
     semigroupoids semigroups tagged transformers unorderedContainers