diff --git a/facebook-core/src/main/java/com/facebook/FacebookSdkVersion.java b/facebook-core/src/main/java/com/facebook/FacebookSdkVersion.java
index 50454a2081..081d46d716 100644
--- a/facebook-core/src/main/java/com/facebook/FacebookSdkVersion.java
+++ b/facebook-core/src/main/java/com/facebook/FacebookSdkVersion.java
@@ -21,5 +21,5 @@
 package com.facebook;
 
 final class FacebookSdkVersion {
-    public static final String BUILD = "5.1.1";
+    public static final String BUILD = "5.2.0";
 }
diff --git a/facebook-core/src/main/java/com/facebook/internal/ServerProtocol.java b/facebook-core/src/main/java/com/facebook/internal/ServerProtocol.java
index 4503fb1961..1de7c38e26 100644
--- a/facebook-core/src/main/java/com/facebook/internal/ServerProtocol.java
+++ b/facebook-core/src/main/java/com/facebook/internal/ServerProtocol.java
@@ -77,7 +77,7 @@ public final class ServerProtocol {
     // URL components
     private static final String GRAPH_VIDEO_URL_FORMAT = "https://graph-video.%s";
     private static final String GRAPH_URL_FORMAT = "https://graph.%s";
-    private static final String GRAPH_API_VERSION = "v3.3";
+    private static final String GRAPH_API_VERSION = "v4.0";
 
     public static final Collection<String> errorsProxyAuthDisabled =
             Utility.unmodifiableCollection("service_disabled", "AndroidAuthKillSwitchException");