Version 2.2.0

Merge commit 'f2255563431b5ec71194d959c3ff74d0f824b36e' into stable
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 237f3a3..1289493 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,4 @@
-## 2.2.0-dev.2.1
-
-* Cherry-pick 765e6338a803ee17472b1fa715ffcfbd4ea46bfb to dev
-
-## 2.2.0-dev.2.0
+## 2.2.0 - 2019-02-26
 
 ### Language
 
diff --git a/tools/VERSION b/tools/VERSION
index 4c8c6f5..11a8a37 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL dev
+CHANNEL stable
 MAJOR 2
 MINOR 2
 PATCH 0
-PRERELEASE 2
-PRERELEASE_PATCH 1
+PRERELEASE 0
+PRERELEASE_PATCH 0