diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/network/NetworkingModule.java b/ReactAndroid/src/main/java/com/facebook/react/modules/network/NetworkingModule.java
index cbae1f0fb..888fcc25f 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/network/NetworkingModule.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/network/NetworkingModule.java
@@ -116,6 +116,8 @@ public final class NetworkingModule extends ReactContextBaseJavaModule {
   private static final int CHUNK_TIMEOUT_NS = 100 * 1000000; // 100ms
   private static final int MAX_CHUNK_SIZE_BETWEEN_FLUSHES = 8 * 1024; // 8K
 
+  private static @Nullable CustomClientBuilder customClientBuilder = null;
+
   private final OkHttpClient mClient;
   private final ForwardingCookieHandler mCookieHandler;
   private final @Nullable String mDefaultUserAgent;
@@ -188,6 +190,20 @@ public final class NetworkingModule extends ReactContextBaseJavaModule {
     this(context, defaultUserAgent, OkHttpClientProvider.createClient(context), null);
   }
 
+  public static void setCustomClientBuilder(CustomClientBuilder ccb) {
+    customClientBuilder = ccb;
+  }
+
+  public static interface CustomClientBuilder {
+    public void apply(OkHttpClient.Builder builder);
+  }
+
+  private static void applyCustomBuilder(OkHttpClient.Builder builder) {
+    if (customClientBuilder != null) {
+      customClientBuilder.apply(builder);
+    }
+  }
+
   @Override
   public void initialize() {
     mCookieJarContainer.setCookieJar(new JavaNetCookieJar(mCookieHandler));
@@ -301,6 +317,8 @@ public final class NetworkingModule extends ReactContextBaseJavaModule {
 
     OkHttpClient.Builder clientBuilder = mClient.newBuilder();
 
+    applyCustomBuilder(clientBuilder);
+
     if (!withCredentials) {
       clientBuilder.cookieJar(CookieJar.NO_COOKIES);
     }