diff --git a/CHANGELOG.md b/CHANGELOG.md
index 593d3eab5a1f..2f594f5467de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 2021.9.0-rc (30 August 2021)
+## 2021.9.0 (1 September 2021)
 
 ### Enhancements
 
diff --git a/package-lock.json b/package-lock.json
index 2ff4245ba322..c5e0e8255717 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "python",
-    "version": "2021.9.0-rc",
+    "version": "2021.9.0",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/package.json b/package.json
index ed11a5617452..ffd472d71975 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "python",
     "displayName": "Python",
     "description": "IntelliSense (Pylance), Linting, Debugging (multi-threaded, remote), Jupyter Notebooks, code formatting, refactoring, unit tests, and more.",
-    "version": "2021.9.0-rc",
+    "version": "2021.9.0",
     "featureFlags": {
         "usingNewInterpreterStorage": true
     },