diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61f14ea..fd3a90c 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,15 @@
+# 3.1.0
+
+- Add: New endpoint (oneStep)
+
+# 3.0.0
+
+- Add: TLS 1.2 support
+
 # 2.0.0
 
 - Add: Proxy configurations and New endpoints (settleCharge and settleCarnetParcel)
 
 # 1.0.0
 
-- Initial release
+- Initial release
\ No newline at end of file
diff --git a/src/dll-src/uGerenciaNetIndy.pas b/src/dll-src/uGerenciaNetIndy.pas
index c1d9863..bb6cdd3 100755
--- a/src/dll-src/uGerenciaNetIndy.pas
+++ b/src/dll-src/uGerenciaNetIndy.pas
@@ -18,7 +18,7 @@ function TokenExpired: Boolean;
           ProxyPort: Integer;
           ExpireDateTime : TDateTime;
 
-const API_SDK = 'delphi-3.0.2';
+const API_SDK = 'delphi-3.1.0';
 
 implementation