diff --git a/plasma-nm.spec b/plasma-nm.spec
index 9acce5e..2831d2a 100644
--- a/plasma-nm.spec
+++ b/plasma-nm.spec
@@ -2,7 +2,7 @@
 
 Name:          plasma-nm
 Version:       5.20.2
-Release:       1mamba
+Release:       2mamba
 Summary:       KDE Plasma 5 network management plasmoid
 Group:         Graphical Desktop/Applications/Configuration
 Vendor:        openmamba
@@ -46,6 +46,8 @@ BuildRequires: libstdc++6-devel
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
+Requires:      NetworkManager
+Requires:      ModemManager
 Provides:      networkmanagergui
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -96,6 +98,9 @@ KDE Plasma 5 network management plasmoid.
 %doc COPYING COPYING.LIB
 
 %changelog
+* Sat Nov 07 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 5.20.2-2mamba
+- require NetworkManager and ModemManager
+
 * Wed Oct 28 2020 Automatic Build System <autodist@mambasoft.it> 5.20.2-1mamba
 - automatic version update by autodist