diff --git a/pkgs/development/python-modules/carbon/default.nix b/pkgs/development/python-modules/carbon/default.nix
index df14f44f0b0..0398782900d 100644
--- a/pkgs/development/python-modules/carbon/default.nix
+++ b/pkgs/development/python-modules/carbon/default.nix
@@ -4,13 +4,13 @@
 
 buildPythonPackage rec {
   pname = "carbon";
-  version = "1.1.3";
+  version = "1.1.4";
 
   disabled = isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1s7327p30w4l9ak4gc7m5ga521233179n2lr3j0ggfbmfhd6blky";
+    sha256 = "1b70e34ac0f0bd32a03ee14eaf1ed2c857e208984fc9761f59a95c21c5264513";
   };
 
   propagatedBuildInputs = [ twisted whisper txamqp cachetools urllib3 ];