diff --git a/management/univention-directory-manager-modules/debian/control b/management/univention-directory-manager-modules/debian/control
index ddd2051..b42152c 100644
--- a/management/univention-directory-manager-modules/debian/control
+++ b/management/univention-directory-manager-modules/debian/control
@@ -24,7 +24,8 @@ Depends: ${misc:Depends}, ${python:Depends},
  python-imaging,
  python-univention-lib (>= 3.0.26-50),
  python-univention-directory-manager-cli (= ${binary:Version}),
- iso-codes
+ iso-codes,
+ python-ipaddr
 Provides: ${python:Provides}
 Replaces: python-univention-lib (<< 1.0.15-1)
 Description: UCS - Modules for administration tools