diff --git a/pkgs/development/libraries/haskell/algebra/default.nix b/pkgs/development/libraries/haskell/algebra/default.nix
index 10cb8d71e56..1e054a1cdb4 100644
--- a/pkgs/development/libraries/haskell/algebra/default.nix
+++ b/pkgs/development/libraries/haskell/algebra/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "algebra";
-  version = "4.0";
-  sha256 = "0gz02f8747xri6ng2pm9if48875rjz7j3f5klzsxi4d93y8q7qn6";
+  version = "4.1";
+  sha256 = "1wcwpngaqnr9w89p5dycmpsaihdwqqrs2vjap6jfwrscq16yyyc6";
   buildDepends = [
     adjunctions distributive mtl nats semigroupoids semigroups tagged
     transformers void