diff --git a/build.gradle b/build.gradle
index 6588cd8..bcaf9fa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,6 +3,6 @@ buildscript {
     mavenCentral()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.1.0'
+    classpath 'com.android.tools.build:gradle:2.1.2'
   }
 }
diff --git a/drawer-behavior/src/main/java/com/jakewharton/behavior/drawer/BehaviorDelegate.java b/drawer-behavior/src/main/java/com/jakewharton/behavior/drawer/BehaviorDelegate.java
index 44a736f..6b49c1a 100644
--- a/drawer-behavior/src/main/java/com/jakewharton/behavior/drawer/BehaviorDelegate.java
+++ b/drawer-behavior/src/main/java/com/jakewharton/behavior/drawer/BehaviorDelegate.java
@@ -264,9 +264,14 @@ private void updateDrawerState(int activeState, View activeDrawer) {
 
     if (activeDrawer != null && activeState == ViewDragHelper.STATE_IDLE) {
       if (onScreen == 0) {
+        // It's fully hidden
         dispatchOnDrawerClosed(activeDrawer);
       } else if (onScreen == 1) {
+        // It's fully open
         dispatchOnDrawerOpened(activeDrawer);
+      } else {
+        // It's partially open
+        closeDrawers(true);
       }
     }