diff --git a/proguard.flags b/proguard.flags
index 699f23e..19c8fd5 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -20,6 +20,17 @@
   public void setHoverAlpha(float);
 }
 
+-keep class com.android.launcher2.CellLayout$LayoutParams {
+  public void setWidth(int);
+  public int getWidth();
+  public void setHeight(int);
+  public int getHeight();
+  public void setX(int);
+  public int getX();
+  public void setY(int);
+  public int getY();
+}
+
 -keep class com.android.launcher2.Workspace {
   public float getBackgroundAlpha();
   public void setBackgroundAlpha(float);