diff --git a/pkgs/development/python-modules/ntlm-auth/default.nix b/pkgs/development/python-modules/ntlm-auth/default.nix
index 14900d5c55d..080734bd25e 100644
--- a/pkgs/development/python-modules/ntlm-auth/default.nix
+++ b/pkgs/development/python-modules/ntlm-auth/default.nix
@@ -10,13 +10,13 @@
 
 buildPythonPackage rec {
   pname = "ntlm-auth";
-  version = "1.4.0";
+  version = "1.5.0";
 
   src = fetchFromGitHub {
     owner = "jborean93";
     repo = "ntlm-auth";
     rev = "v${version}";
-    sha256 = "168k3ygwbvnfcwn7q1nv3vvy6b9jc4cnpix0xgg5j8av7v1x0grn";
+    sha256 = "00dpf5bfsy07frsjihv1k10zmwcyq4bvkilbxha7h6nlwpcm2409";
   };
 
   checkInputs = [ mock pytest requests unittest2 ];