diff --git a/tensorboard/version.py b/tensorboard/version.py
index d3dadf70bc..aa5594520f 100644
--- a/tensorboard/version.py
+++ b/tensorboard/version.py
@@ -15,7 +15,7 @@
 
 """Contains the version string."""
 
-VERSION = "2.21.0a0"
+VERSION = "2.21.0"
 
 if __name__ == "__main__":
     print(VERSION)