diff --git a/src/main/java/ru/dmitriymx/vkapi/VkApi.java b/src/main/java/ru/dmitriymx/vkapi/VkApi.java
index 535037f..c8199af 100644
--- a/src/main/java/ru/dmitriymx/vkapi/VkApi.java
+++ b/src/main/java/ru/dmitriymx/vkapi/VkApi.java
@@ -2,8 +2,6 @@ package ru.dmitriymx.vkapi;
 
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
-import lombok.Getter;
-import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import ru.dmitriymx.vkapi.browser.ApacheBroswe;
 import ru.dmitriymx.vkapi.browser.Browser;
@@ -24,9 +22,7 @@ public class VkApi implements Runnable {
     private final String accessToken;
     private final Browser browser;
     private final Gson gson = new Gson();
-    @Getter
-    @Setter
-    private String apiVersion;
+    private final String apiVersion;
 
     private Timer timer = new Timer();
     private int countCallApiPerSecond = 0;
@@ -45,6 +41,7 @@ public class VkApi implements Runnable {
 
         this.accessToken = accessToken;
         this.browser = browser;
+        this.apiVersion = apiVersion;
 
         timer.reset();
     }
@@ -137,7 +134,9 @@ public class VkApi implements Runnable {
 
     private String paramsToString(Map<String, String> params) {
         final StringJoiner sj = new StringJoiner("&");
-        sj.add("access_token=" + accessToken).add("v=" + apiVersion);
+        sj.add("access_token=" + accessToken);
+        if (!params.containsKey("v")) sj.add("v=" + apiVersion);
+
         params.forEach((key, value) -> sj.add(key + "=" + value));
 
         return sj.toString();