diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c4e980..b8087b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [2.21.1] - 2022-06-21
+  
+This s hotfix release. It is recommended to upgrade your client if you use authentication.
+
+* **Bug Fixes**
+  * Fix called function name in Authenticate.
+
 ## [2.21.0] - 2022-06-07
 
 * **New Features**
diff --git a/lib/aerospike/connection/authenticate.rb b/lib/aerospike/connection/authenticate.rb
index 670aaf2..5a98490 100644
--- a/lib/aerospike/connection/authenticate.rb
+++ b/lib/aerospike/connection/authenticate.rb
@@ -33,7 +33,7 @@ def call(conn, user, hashed_pass)
     end
     module AuthenticateNew
       class << self
-        INVALID_SESSION_ERR = [ResultCode::INVALID_CREDENTIAL, 
+        INVALID_SESSION_ERR = [ResultCode::INVALID_CREDENTIAL,
           ResultCode::EXPIRED_SESSION]
 
         def call(conn, cluster)
@@ -48,7 +48,7 @@ def call(conn, cluster)
               cluster.reset_session_info
               if ae.is_a?(Exceptions::Aerospike)
                 if INVALID_SESSION_ERR.include?(ae.result_code)
-                  command.authenticate(conn, cluster)
+                  command.authenticate_new(conn, cluster)
                   return
                 end
               end
@@ -65,3 +65,4 @@ def call(conn, cluster)
     end
   end
 end
+
diff --git a/lib/aerospike/version.rb b/lib/aerospike/version.rb
index 72b1c4f..b91a4d2 100644
--- a/lib/aerospike/version.rb
+++ b/lib/aerospike/version.rb
@@ -1,4 +1,4 @@
 # encoding: utf-8
 module Aerospike
-  VERSION = "2.21.0"
+  VERSION = "2.21.1"
 end