diff --git a/CHANGELOG-1.0.md b/CHANGELOG-1.0.md
index 7c40529..ed0af91 100644
--- a/CHANGELOG-1.0.md
+++ b/CHANGELOG-1.0.md
@@ -3,6 +3,14 @@ CHANGELOG for 1.0.x
 
 This changelog references any relevant changes introduced in 1.0 minor versions.
 
+* 1.0.12 (2021-08-21)
+    * **Issue #399:** Reply from collaborator gmail so collaborator name is not showing.
+
+    * **Misc. Updates:**
+        * Lowercase and upercase check condition added for searching mailbox.
+        * Option added for delete inbox emails after mails fetch and converted into ticket.
+        * Collaborator reply threads added into ticket threads.
+
 * 1.0.11 (2021-06-19)
     * **Misc. Updates:**
         * Methods added for checking mailbox email exist in multiple to address mail and       creating ticket for the same.