diff --git a/NTPClient.h b/NTPClient.h
index 20ec43b..e8fbf33 100755
--- a/NTPClient.h
+++ b/NTPClient.h
@@ -43,6 +43,21 @@ class NTPClient {
      * @param poolServerName
      */
     void setPoolServerName(const char* poolServerName);
+  
+    /**
+     * Set time server IP address
+     *
+     * @param poolServerIP
+     */
+    void setPoolServerIP(IPAddress poolServerIP);
+    
+    /**
+     * Set time server domain or IP address
+     *
+     * @param poolServerAddress
+     */
+    void setPoolServerAddress(const char* poolServerAddress);
+    void setPoolServerAddress(IPAddress poolServerAddress);
 
     /**
      * Starts the underlying UDP client with the default local port