diff --git a/pkgs/development/python-modules/msrestazure/default.nix b/pkgs/development/python-modules/msrestazure/default.nix
index a97469e8073..96c546e5d35 100644
--- a/pkgs/development/python-modules/msrestazure/default.nix
+++ b/pkgs/development/python-modules/msrestazure/default.nix
@@ -12,7 +12,7 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.6.3";
+  version = "0.6.4";
   pname = "msrestazure";
 
   # Pypi tarball doesnt include tests
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "Azure";
     repo = "msrestazure-for-python";
     rev = "v${version}";
-    sha256 = "0pd3qw96c9fz4qgimnc0qf0pz7m9rr1wzhxj8m792swaf3pb18z8";
+    sha256 = "0ik81f0n6r27f02gblgm0vl5zl3wc6ijsscihgvc1fgm9f5mk5b5";
   };
 
   propagatedBuildInputs = [ adal msrest ];