diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71896cd..edc83aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # DLSync Changelog
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+## [2.6.1] - 2026-01-06
+### Fixed
+- Fixed private key authentication issue with parameter names
 ## [2.6.0] - 2025-11-24
 ### Added
 - Added support Masking Policy object type
diff --git a/gradle.properties b/gradle.properties
index 80d4efb..3dc0eb7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1 @@
-releaseVersion=2.6.0
\ No newline at end of file
+releaseVersion=2.6.1
\ No newline at end of file
diff --git a/src/main/java/com/snowflake/dlsync/ConfigManager.java b/src/main/java/com/snowflake/dlsync/ConfigManager.java
index b5a86aa..d6ba243 100644
--- a/src/main/java/com/snowflake/dlsync/ConfigManager.java
+++ b/src/main/java/com/snowflake/dlsync/ConfigManager.java
@@ -18,7 +18,7 @@
 @Slf4j
 public class ConfigManager {
     private final static String CONFIG_FILE_NAME = "config.yaml";
-    private final static String[] JDBC_KEY = {"url", "account", "user", "password", "authenticator", "role", "warehouse", "db", "schema",  "privateKeyFile", "privateKeyPwd"};
+    private final static String[] JDBC_KEY = {"url", "account", "user", "password", "authenticator", "role", "warehouse", "db", "schema",  "private_key_file", "private_key_pwd"};
     private final static String SCRIPT_ROOT_KEY = "SCRIPT_ROOT";
     private String scriptRoot;
     private String profile;