diff --git a/src/main/java/com/binance/connector/client/utils/httpclient/HttpClientSingleton.java b/src/main/java/com/binance/connector/client/utils/httpclient/HttpClientSingleton.java
index c784a0d0..8b0a5c2b 100644
--- a/src/main/java/com/binance/connector/client/utils/httpclient/HttpClientSingleton.java
+++ b/src/main/java/com/binance/connector/client/utils/httpclient/HttpClientSingleton.java
@@ -12,12 +12,12 @@ private HttpClientSingleton() {
 
     private static void createHttpClient(ProxyAuth proxy) {
         if (proxy == null) {
-            httpClient = new OkHttpClient();
+            httpClient = new OkHttpClient(OkHttpClientBuilder.getBuilder());
         } else {
             if (proxy.getAuth() == null) {
-                httpClient = new OkHttpClient.Builder().proxy(proxy.getProxy()).build();
+                httpClient = OkHttpClientBuilder.getBuilder().proxy(proxy.getProxy()).build();
             } else {
-                httpClient = new OkHttpClient.Builder().proxy(proxy.getProxy()).proxyAuthenticator(proxy.getAuth()).build();
+                httpClient = OkHttpClientBuilder.getBuilder().proxy(proxy.getProxy()).proxyAuthenticator(proxy.getAuth()).build();
             }
         }
     }
diff --git a/src/main/java/com/binance/connector/client/utils/httpclient/OkHttpClientBuilder.java b/src/main/java/com/binance/connector/client/utils/httpclient/OkHttpClientBuilder.java
new file mode 100644
index 00000000..f3fcb0ca
--- /dev/null
+++ b/src/main/java/com/binance/connector/client/utils/httpclient/OkHttpClientBuilder.java
@@ -0,0 +1,18 @@
+package com.binance.connector.client.utils.httpclient;
+
+import okhttp3.OkHttpClient;
+
+public final class OkHttpClientBuilder {
+    private static OkHttpClient.Builder builder = new OkHttpClient.Builder();
+
+    private OkHttpClientBuilder() {
+    }
+
+    public static void setBuilder(OkHttpClient.Builder builder) {
+        OkHttpClientBuilder.builder = builder;
+    }
+
+    public static OkHttpClient.Builder getBuilder() {
+        return builder;
+    }
+}
diff --git a/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketApiHttpClientSingleton.java b/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketApiHttpClientSingleton.java
index 672fb005..065107f6 100644
--- a/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketApiHttpClientSingleton.java
+++ b/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketApiHttpClientSingleton.java
@@ -3,7 +3,7 @@
 import okhttp3.OkHttpClient;
 
 public final class WebSocketApiHttpClientSingleton {
-    private static final OkHttpClient httpClient = new OkHttpClient();
+    private static final OkHttpClient httpClient = new OkHttpClient(OkHttpClientBuilder.getBuilder());
 
     private WebSocketApiHttpClientSingleton() {
     }
diff --git a/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketStreamHttpClientSingleton.java b/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketStreamHttpClientSingleton.java
index d2462927..d6008970 100644
--- a/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketStreamHttpClientSingleton.java
+++ b/src/main/java/com/binance/connector/client/utils/httpclient/WebSocketStreamHttpClientSingleton.java
@@ -3,7 +3,7 @@
 import okhttp3.OkHttpClient;
 
 public final class WebSocketStreamHttpClientSingleton {
-    private static final OkHttpClient httpClient = new OkHttpClient();
+    private static final OkHttpClient httpClient = new OkHttpClient(OkHttpClientBuilder.getBuilder());
 
     private WebSocketStreamHttpClientSingleton() {
     }