diff --git a/BUILD.gn b/BUILD.gn
index 1a367c6b2..b61095457 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1377,6 +1377,7 @@ make_pack_header("resources") {
     "$root_gen_dir/chrome/grit/common_resources.h",
     "$root_gen_dir/chrome/grit/component_extension_resources.h",
     "$root_gen_dir/chrome/grit/dev_ui_browser_resources.h",
+    "$root_gen_dir/chrome/grit/pdf_resources.h",
     "$root_gen_dir/chrome/grit/renderer_resources.h",
     "$root_gen_dir/components/grit/components_resources.h",
     "$root_gen_dir/components/grit/dev_ui_components_resources.h",
@@ -1402,6 +1403,7 @@ make_pack_header("resources") {
     "//chrome/browser:dev_ui_browser_resources",
     "//chrome/browser:resources",
     "//chrome/browser/resources:component_extension_resources",
+    "//chrome/browser/resources/pdf:resources",
     "//chrome/common:resources",
     "//chrome/renderer:resources",
     "//components/resources:components_resources",