diff --git a/constants/BUILD.gn b/constants/BUILD.gn
index 25a574e..cdfd665 100644
--- a/constants/BUILD.gn
+++ b/constants/BUILD.gn
@@ -7,6 +7,7 @@
 
 jumbo_source_set("constants") {
   sources = [
+    "annotation_common.h",
     "form_flags.h",
     "page_object.h",
     "stream_dict_common.h",