diff --git a/pkgs/development/python-modules/adal/default.nix b/pkgs/development/python-modules/adal/default.nix
index 003bd516657..9f764df3376 100644
--- a/pkgs/development/python-modules/adal/default.nix
+++ b/pkgs/development/python-modules/adal/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "adal";
-  version = "1.2.0";
+  version = "1.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1hgm62wil1avc3h0dwbks2v6l19xfsjl3azai16llsyp70y92lms";
+    sha256 = "b6edd095be66561382bdaa59d40b04490e93149fb3b7fa44c1fa5504eed5b8b9";
   };
 
   propagatedBuildInputs =  [ requests pyjwt dateutil ];