diff --git a/fw-update/test/meson.build b/fw-update/test/meson.build
index 5749e14..5af5dc9 100644
--- a/fw-update/test/meson.build
+++ b/fw-update/test/meson.build
@@ -1,5 +1,6 @@
 fw_update_test_src = declare_dependency(
           sources: [
+            '../activation.cpp',
             '../inventory_manager.cpp',
             '../package_parser.cpp',
             '../device_updater.cpp',