diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2088f5a..3f148c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/gcs-resumable-upload?activeTab=versions
 
+### [4.0.1](https://www.github.com/googleapis/gcs-resumable-upload/compare/v4.0.0...v4.0.1) (2022-01-06)
+
+
+### Bug Fixes
+
+* Fix support for streams without content-length property ([#491](https://www.github.com/googleapis/gcs-resumable-upload/issues/491)) ([ac2f73b](https://www.github.com/googleapis/gcs-resumable-upload/commit/ac2f73b73e3afbc218ca99cbba3c598af4aefa9e))
+
 ## [4.0.0](https://www.github.com/googleapis/gcs-resumable-upload/compare/v3.6.0...v4.0.0) (2021-12-30)
 
 
diff --git a/package.json b/package.json
index b6d33e5..98d7846 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gcs-resumable-upload",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "Upload a file to Google Cloud Storage with built-in resumable behavior",
   "repository": "googleapis/gcs-resumable-upload",
   "main": "build/src/index.js",
diff --git a/samples/package.json b/samples/package.json
index 5d783a7..5afa8c0 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -11,7 +11,7 @@
     "test": "mocha system-test"
   },
   "dependencies": {
-    "gcs-resumable-upload": "^4.0.0"
+    "gcs-resumable-upload": "^4.0.1"
   },
   "devDependencies": {
     "mocha": "^8.0.0"