diff --git a/pkgs/development/python-modules/greenlet/default.nix b/pkgs/development/python-modules/greenlet/default.nix
index 58b240297cf..3754f08c28b 100644
--- a/pkgs/development/python-modules/greenlet/default.nix
+++ b/pkgs/development/python-modules/greenlet/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "greenlet";
-  version = "0.4.14";
+  version = "0.4.15";
   disabled = isPyPy;  # builtin for pypy
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f1cc268a15ade58d9a0c04569fe6613e19b8b0345b64453064e2c3c6d79051af";
+    sha256 = "9416443e219356e3c31f1f918a91badf2e37acf297e2fa13d24d1cc2380f8fbc";
   };
 
   propagatedBuildInputs = [ six ];