diff --git a/packages/grpc-native-core/package.json b/packages/grpc-native-core/package.json
index b1cac6688..707228c7d 100644
--- a/packages/grpc-native-core/package.json
+++ b/packages/grpc-native-core/package.json
@@ -67,13 +67,13 @@
     "deps/grpc/include/grpc/**/*.h",
     "deps/grpc/src/core/**/*.{c,cc,h}",
     "deps/grpc/src/boringssl/err_data.c",
-    "deps/grpc/third_party/abseil-cpp/absl/**/*.{h,hh}",
+    "deps/grpc/third_party/abseil-cpp/absl/**/*.{h,hh,inc}",
     "deps/grpc/third_party/boringssl/crypto/**/*.{c,cc,h}",
     "deps/grpc/third_party/boringssl/include/**/*.{c,cc,h}",
     "deps/grpc/third_party/boringssl/ssl/**/*.{c,cc,h}",
     "deps/grpc/third_party/boringssl/third_party/**/*.{c,h}",
     "deps/grpc/third_party/nanopb/*.{c,cc,h}",
-    "deps/grpc/third_party/upb/**/*.{c,h}",
+    "deps/grpc/third_party/upb/**/*.{c,h,inc}",
     "deps/grpc/third_party/zlib/**/*.{c,cc,h}",
     "binding.gyp"
   ],
diff --git a/packages/grpc-native-core/templates/package.json.template b/packages/grpc-native-core/templates/package.json.template
index 080567c56..e99437f49 100644
--- a/packages/grpc-native-core/templates/package.json.template
+++ b/packages/grpc-native-core/templates/package.json.template
@@ -69,13 +69,13 @@
       "deps/grpc/include/grpc/**/*.h",
       "deps/grpc/src/core/**/*.{c,cc,h}",
       "deps/grpc/src/boringssl/err_data.c",
-      "deps/grpc/third_party/abseil-cpp/absl/**/*.{h,hh}",
+      "deps/grpc/third_party/abseil-cpp/absl/**/*.{h,hh,inc}",
       "deps/grpc/third_party/boringssl/crypto/**/*.{c,cc,h}",
       "deps/grpc/third_party/boringssl/include/**/*.{c,cc,h}",
       "deps/grpc/third_party/boringssl/ssl/**/*.{c,cc,h}",
       "deps/grpc/third_party/boringssl/third_party/**/*.{c,h}",
       "deps/grpc/third_party/nanopb/*.{c,cc,h}",
-      "deps/grpc/third_party/upb/**/*.{c,h}",
+      "deps/grpc/third_party/upb/**/*.{c,h,inc}",
       "deps/grpc/third_party/zlib/**/*.{c,cc,h}",
       "binding.gyp"
     ],