diff --git a/package.json b/package.json
index ae5fb0c6572514534fa4e26edf85b87c0f09a3de..b256fadd618e9a4ced244dc53abf213c7f401ed4 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,8 @@
     "src/node/ext",
     "include/grpc",
     "src/core",
+    "src/boringssl",
+    "src/zlib",
     "third_party/nanopb",
     "third_party/zlib",
     "third_party/boringssl",
diff --git a/templates/package.json.template b/templates/package.json.template
index 11718b1ccbd407e2b86229b1496fa189c248a276..9d19ca062934f07f4866ce06bcc51b7b19b8a41b 100644
--- a/templates/package.json.template
+++ b/templates/package.json.template
@@ -69,6 +69,8 @@
       "src/node/ext",
       "include/grpc",
       "src/core",
+      "src/boringssl",
+      "src/zlib",
       "third_party/nanopb",
       "third_party/zlib",
       "third_party/boringssl",