diff --git a/pkgs/development/libraries/haskell/bson/default.nix b/pkgs/development/libraries/haskell/bson/default.nix
index 6b76aee47a1..2aa8f54b884 100644
--- a/pkgs/development/libraries/haskell/bson/default.nix
+++ b/pkgs/development/libraries/haskell/bson/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "bson";
-  version = "0.2.1";
-  sha256 = "1g5xvkpn5j2yn9figxiv5dindwv6gg90np56k235hy9cwmdicmwq";
+  version = "0.2.2";
+  sha256 = "043lbaj4rrvh4a1yc033np51vi8xlbczflbhyx2bsiryzbi27waf";
   buildDepends = [
     binary cryptohash dataBinaryIeee754 mtl network text time
   ];