diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index f215f1b..0706cdc 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -810,12 +810,14 @@
 include/grpc++/impl/codegen/completion_queue.h \
 include/grpc++/impl/codegen/completion_queue_tag.h \
 include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
 include/grpc++/impl/codegen/core_codegen.h \
 include/grpc++/impl/codegen/core_codegen_interface.h \
 include/grpc++/impl/codegen/create_auth_context.h \
 include/grpc++/impl/codegen/grpc_library.h \
 include/grpc++/impl/codegen/metadata_map.h \
 include/grpc++/impl/codegen/method_handler_impl.h \
+include/grpc++/impl/codegen/proto_utils.h \
 include/grpc++/impl/codegen/rpc_method.h \
 include/grpc++/impl/codegen/rpc_service_method.h \
 include/grpc++/impl/codegen/security/auth_context.h \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 19b4a9b..cb0a3e5 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -810,6 +810,7 @@
 include/grpc++/impl/codegen/completion_queue.h \
 include/grpc++/impl/codegen/completion_queue_tag.h \
 include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
 include/grpc++/impl/codegen/core_codegen.h \
 include/grpc++/impl/codegen/core_codegen.h \
 include/grpc++/impl/codegen/core_codegen_interface.h \
@@ -817,6 +818,7 @@
 include/grpc++/impl/codegen/grpc_library.h \
 include/grpc++/impl/codegen/metadata_map.h \
 include/grpc++/impl/codegen/method_handler_impl.h \
+include/grpc++/impl/codegen/proto_utils.h \
 include/grpc++/impl/codegen/rpc_method.h \
 include/grpc++/impl/codegen/rpc_service_method.h \
 include/grpc++/impl/codegen/security/auth_context.h \
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index 52d8ae1..21f82a0 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -5346,7 +5346,8 @@
       "grpc", 
       "grpc++_base", 
       "grpc++_codegen_base", 
-      "grpc++_codegen_base_src"
+      "grpc++_codegen_base_src", 
+      "grpc++_codegen_proto"
     ], 
     "headers": [
       "include/grpc++/impl/codegen/core_codegen.h",