diff --git a/sdk/textanalytics/azure-ai-textanalytics/CHANGELOG.md b/sdk/textanalytics/azure-ai-textanalytics/CHANGELOG.md
index 508007b8e4cb..3e3010d29090 100644
--- a/sdk/textanalytics/azure-ai-textanalytics/CHANGELOG.md
+++ b/sdk/textanalytics/azure-ai-textanalytics/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Release History
 
-## 5.1.0b1 (Unreleased)
+## 5.1.0b1 (2020-09-17)
 
 **New features**
 - We are now targeting the service's v3.1-preview API as the default. If you would like to still use version v3.0 of the service,