diff --git a/pkgs/development/python-modules/uamqp/default.nix b/pkgs/development/python-modules/uamqp/default.nix
index 985a0af28f83..f9e9aa9a1311 100644
--- a/pkgs/development/python-modules/uamqp/default.nix
+++ b/pkgs/development/python-modules/uamqp/default.nix
@@ -17,11 +17,11 @@
 
 buildPythonPackage rec {
   pname = "uamqp";
-  version = "1.6.3";
+  version = "1.6.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-fOA+tGANKKHeq0uGbzd9Tq5/yc3Gfj6I94jV8daD3IY=";
+    sha256 = "sha256-IYMzJDXveIL60ick4/L2PT/VpRx/DGNdY0h5SLAuN0k=";
   };
 
   patches = lib.optionals (stdenv.isDarwin && stdenv.isx86_64) [