diff --git a/pkgs/development/python-modules/msgpack-numpy/default.nix b/pkgs/development/python-modules/msgpack-numpy/default.nix
index 354498836a9..d646c1ed15f 100644
--- a/pkgs/development/python-modules/msgpack-numpy/default.nix
+++ b/pkgs/development/python-modules/msgpack-numpy/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "msgpack-numpy";
-  version = "0.4.4.3";
+  version = "0.4.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a02c0069fb580c6a2dda9b98d40d34fda3840863112a5465ba9b54fa2ee005a5";
+    sha256 = "0z3ls52iamqv6fbn1ljnd5nnnzaiakczciry5c3vym5r77wgc9mg";
   };
 
   buildInputs = [