diff --git a/meson.build b/meson.build
index 100c0f9..bfbf63e 100644
--- a/meson.build
+++ b/meson.build
@@ -164,6 +164,7 @@
   'pldmd',
   'pldmd/pldmd.cpp',
   'pldmd/dbus_impl_pdr.cpp',
+  'fw-update/activation.cpp',
   'fw-update/inventory_manager.cpp',
   'fw-update/package_parser.cpp',
   'fw-update/device_updater.cpp',