diff --git a/pkgs/development/python-modules/azure-mgmt-trafficmanager/default.nix b/pkgs/development/python-modules/azure-mgmt-trafficmanager/default.nix
index ebb9466e9e28..68d14c49ef6a 100644
--- a/pkgs/development/python-modules/azure-mgmt-trafficmanager/default.nix
+++ b/pkgs/development/python-modules/azure-mgmt-trafficmanager/default.nix
@@ -4,6 +4,7 @@
 , msrest
 , msrestazure
 , azure-common
+, azure-mgmt-core
 , azure-mgmt-nspkg
 , isPy3k
 }:
@@ -22,6 +23,7 @@ buildPythonPackage rec {
     msrest
     msrestazure
     azure-common
+    azure-mgmt-core
   ] ++ lib.optionals (!isPy3k) [
     azure-mgmt-nspkg
   ];