diff --git a/pkgs/development/compilers/uhc/default.nix b/pkgs/development/compilers/uhc/default.nix
index 390fa28f6f7..75ca05f8569 100644
--- a/pkgs/development/compilers/uhc/default.nix
+++ b/pkgs/development/compilers/uhc/default.nix
@@ -3,7 +3,7 @@
 }:
 
 let
-  revision = "2381";
+  revision = "2399";
 in
 stdenv.mkDerivation {
   name = "uhc-svn-${revision}";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   src = fetchsvn {
      url = "https://subversion.cs.uu.nl/repos/project.UHC.pub/trunk/EHC";
      rev = revision;
-     sha256 = "37598f49cda8ff67b0b4d1c75b0bf50bfcd29a92b08ea427c5071080e368c4bc";
+     sha256 = "f4e87dbf95f90b021994b0840f27e042dd4e785df7efedcf567f3e2c7ce32621";
   };
 
   propagatedBuildInputs = [mtl network binary fgl syb];