diff --git a/NetworkManager-openvpn.spec b/NetworkManager-openvpn.spec
index 00349a6..ce127b4 100644
--- a/NetworkManager-openvpn.spec
+++ b/NetworkManager-openvpn.spec
@@ -35,6 +35,7 @@ BuildRequires: libnm-gtk-devel >= 1.2.0
 %endif
 
 %if %with gtk4
+BuildRequires: gtk4-devel
 BuildRequires: libnma-gtk4
 %endif