diff --git a/python-pystray.spec b/python-pystray.spec
index 1badefe..2e8c1f0 100644
--- a/python-pystray.spec
+++ b/python-pystray.spec
@@ -1,7 +1,7 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-pystray
 Version:       0.19.4
-Release:       1mamba
+Release:       2mamba
 Summary:       Python library to create a system tray icon
 Group:         System/Libraries
 Vendor:        openmamba
@@ -21,6 +21,8 @@ BuildRequires: python3.7dist(six)
 %{summary}.
 
 %if 0%{?with_pyver}
+%define py_requires_append \
+Requires:      libappindicator3
 %pyver_package
 %endif
 
@@ -50,5 +52,8 @@ CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
 %doc COPYING
 
 %changelog
+* Mon Jan 02 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.19.4-2mamba
+- require libappindicator3
+
 * Thu Nov 10 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.19.4-1mamba
 - package created using the webbuild interface