diff --git a/net/modemmanager/Makefile b/net/modemmanager/Makefile
index 6819e96b9..5017d3e25 100644
--- a/net/modemmanager/Makefile
+++ b/net/modemmanager/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=modemmanager
 PKG_SOURCE_VERSION:=1.20.6
-PKG_RELEASE:=11
+PKG_RELEASE:=12
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://gitlab.freedesktop.org/mobile-broadband/ModemManager.git
@@ -80,6 +80,8 @@ define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/ModemManager.pc $(1)/usr/lib/pkgconfig
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/mm-glib.pc $(1)/usr/lib/pkgconfig
+	$(INSTALL_DIR) $(1)/usr/share/dbus-1/interfaces
+	$(CP) $(PKG_BUILD_DIR)/introspection/org.freedesktop.ModemManager1.* $(1)/usr/share/dbus-1/interfaces
 endef
 
 define Package/modemmanager/install