diff --git a/Control/AthenaConfiguration/CMakeLists.txt b/Control/AthenaConfiguration/CMakeLists.txt
index c20d07c4c081886fcc30dbc82997301db3efb3d0..69e2b35284634b3ddf8d58c412d136d32c1c4831 100644
--- a/Control/AthenaConfiguration/CMakeLists.txt
+++ b/Control/AthenaConfiguration/CMakeLists.txt
@@ -6,7 +6,7 @@
 atlas_subdir( AthenaConfiguration )
 
 # External dependencies:
-
+find_package( six )
 
 # Install files from the package:
 atlas_install_python_modules( python/*.py python/iconfTool )