diff --git a/pkgs/development/libraries/haskell/lambdabot/default.nix b/pkgs/development/libraries/haskell/lambdabot/default.nix
index 49fdf743e2a..2af512ef3ea 100644
--- a/pkgs/development/libraries/haskell/lambdabot/default.nix
+++ b/pkgs/development/libraries/haskell/lambdabot/default.nix
@@ -7,8 +7,8 @@
 
 cabal.mkDerivation (self: {
   pname = "lambdabot";
-  version = "4.2.3.2";
-  sha256 = "0jy48s4z1yn0wiaxzi3pws7j9j4ih2vqr8gr8md2i35g4bwxmxp2";
+  version = "4.2.3.3";
+  sha256 = "1fxxmrm390pnqpf7v4kap2asaqh02sphl8r6inq4sdy1zs2rxrvk";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [