diff --git a/pkgs/development/libraries/haskell/persistent-postgresql/default.nix b/pkgs/development/libraries/haskell/persistent-postgresql/default.nix
index 5d48a133d8e..8731a83ac89 100644
--- a/pkgs/development/libraries/haskell/persistent-postgresql/default.nix
+++ b/pkgs/development/libraries/haskell/persistent-postgresql/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "persistent-postgresql";
-  version = "1.1.0";
-  sha256 = "0vfmlmhfp20w2chiiq0jq6mz084j3bpbviswkcyzdymdkky87kni";
+  version = "1.1.1";
+  sha256 = "19ywyf0d7n6z8ws7s7jc958g30aiy6il43qwvqh92q1cz8bd1mj9";
   buildDepends = [
     aeson conduit monadControl persistent postgresqlLibpq
     postgresqlSimple text time transformers