diff --git a/CHANGELOG-1.0.md b/CHANGELOG-1.0.md
index 9e97567..beff8f0 100644
--- a/CHANGELOG-1.0.md
+++ b/CHANGELOG-1.0.md
@@ -3,7 +3,7 @@ CHANGELOG for 1.0.x
 
 This changelog references any relevant changes introduced in 1.0 minor versions.
 
-* 1.0.12 (2021-08-23)
+* 1.0.13 (2021-08-23)
     * **Issue #399:** Reply from collaborator gmail so collaborator name is not showing.
 
     * **Misc. Updates:**
@@ -11,10 +11,6 @@ This changelog references any relevant changes introduced in 1.0 minor versions.
         * 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.
-
 * 1.0.12 (2021-08-21)
     * **Issue #399:** Reply from collaborator gmail so collaborator name is not showing.