diff --git a/docs-android/app/build.gradle b/docs-android/app/build.gradle
index b99a5b46..062f5655 100644
--- a/docs-android/app/build.gradle
+++ b/docs-android/app/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0-beta1'
+        classpath 'com.android.tools.build:gradle:2.1.0'
     }
 }
 apply plugin: 'com.android.application'
diff --git a/docs-android/app/src/main/java/com/sismics/docs/activity/MainActivity.java b/docs-android/app/src/main/java/com/sismics/docs/activity/MainActivity.java
index 0c9232cb..e0db2430 100644
--- a/docs-android/app/src/main/java/com/sismics/docs/activity/MainActivity.java
+++ b/docs-android/app/src/main/java/com/sismics/docs/activity/MainActivity.java
@@ -158,6 +158,7 @@ public class MainActivity extends AppCompatActivity {
                     @Override
                     public void onFinish() {
                         // Force logout in all cases, so the user is not stuck in case of network error
+                        PreferenceUtil.clearAuthToken(MainActivity.this);
                         ApplicationContext.getInstance().setUserInfo(getApplicationContext(), null);
                         startActivity(new Intent(MainActivity.this, LoginActivity.class));
                         finish();
diff --git a/docs-android/app/src/main/java/com/sismics/docs/util/PreferenceUtil.java b/docs-android/app/src/main/java/com/sismics/docs/util/PreferenceUtil.java
index da8537ea..5df8974d 100644
--- a/docs-android/app/src/main/java/com/sismics/docs/util/PreferenceUtil.java
+++ b/docs-android/app/src/main/java/com/sismics/docs/util/PreferenceUtil.java
@@ -126,6 +126,7 @@ public class PreferenceUtil {
     /**
      * Returns auth token cookie from shared preferences.
      *
+     * @param context Context
      * @return Auth token
      */
     public static String getAuthToken(Context context) {
@@ -140,6 +141,16 @@ public class PreferenceUtil {
         return null;
     }
 
+    /**
+     * Clear all auth tokens.
+     *
+     * @param context Context
+     */
+    public static void clearAuthToken(Context context) {
+        PersistentCookieStore cookieStore = new PersistentCookieStore(context);
+        cookieStore.removeAll();
+    }
+
     /**
      * Returns cleaned server URL.
      *