diff --git a/control b/control
index 10f5dd3..4f4f266 100644
--- a/control
+++ b/control
@@ -1,6 +1,6 @@
 Package: com.ccdog.pinyinui
 Name: PinyinUI
-Depends: firmware (>= 6.0), mobilesubstrate
+Depends: mobilesubstrate
 Version: 1.0
 Architecture: iphoneos-arm
 Description: Convert all Chinese on UI to Pinyin.