diff --git a/pkgs/development/libraries/haskell/yaml/default.nix b/pkgs/development/libraries/haskell/yaml/default.nix
index 0271f6874f34..6ab227a205d2 100644
--- a/pkgs/development/libraries/haskell/yaml/default.nix
+++ b/pkgs/development/libraries/haskell/yaml/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yaml";
-  version = "0.8.1.1";
-  sha256 = "0n2m205f0jq8v4g84bw642vdqqr68m3jklv98rr21s8r2fyy7937";
+  version = "0.8.1.2";
+  sha256 = "1prk1nxzb84svqr552pgrfxg8kd34zvnh35js8l0q58y9rifxyq0";
   buildDepends = [
     aeson attoparsec conduit resourcet text transformers
     unorderedContainers vector