diff --git a/CHANGELOG.md b/CHANGELOG.md
index 842f7ec..bd7bd38 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,3 @@
-## VERSION 1.0.6
-
-Include `reference_id` in `DataResponse` in `PaymentMethodResponse` in `Payment`.
-Include `external_reference_id` in `DataResponse` in `PaymentMethodResponse` in `Payment`.
-Include `external_resource_url` in `DataResponse` in `PaymentMethodResponse` in `Payment`.
-
 ## VERSION 1.0.5
 
 Fix `is_same_bank_account_owner` type. Now it is `bool` instead of `string`.
diff --git a/pkg/internal/httpclient/helper.go b/pkg/internal/httpclient/helper.go
index 891f0d5..41b4d6c 100644
--- a/pkg/internal/httpclient/helper.go
+++ b/pkg/internal/httpclient/helper.go
@@ -16,7 +16,7 @@ import (
 )
 
 const (
-	currentSDKVersion string = "1.0.6"
+	currentSDKVersion string = "1.0.5"
 	productID         string = "CNITR48HSRV0CRPT3NI0"
 )