diff --git a/app_main/build.gradle b/app_main/build.gradle
index 8dace2e2..1b5e4b3a 100644
--- a/app_main/build.gradle
+++ b/app_main/build.gradle
@@ -8,8 +8,8 @@ android {
         minSdkVersion 19
         targetSdkVersion 29
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
-        versionCode 14
-        versionName "1.4.1"
+        versionCode 15
+        versionName "1.4.2"
     }
     buildTypes {
         release {
diff --git a/app_main/src/main/assets/bootrom.elf b/app_main/src/main/assets/bootrom.elf
index b39c35a8..727cd60b 100644
Binary files a/app_main/src/main/assets/bootrom.elf and b/app_main/src/main/assets/bootrom.elf differ
diff --git a/app_main/src/main/assets/fullimage.elf b/app_main/src/main/assets/fullimage.elf
index 7189512e..37dc8fe7 100644
Binary files a/app_main/src/main/assets/fullimage.elf and b/app_main/src/main/assets/fullimage.elf differ
diff --git a/app_main/src/main/java/cn/rrg/rdv/util/Commons.java b/app_main/src/main/java/cn/rrg/rdv/util/Commons.java
index 899ce212..daa9a159 100644
--- a/app_main/src/main/java/cn/rrg/rdv/util/Commons.java
+++ b/app_main/src/main/java/cn/rrg/rdv/util/Commons.java
@@ -25,7 +25,7 @@ import cn.dxl.common.util.ArrayUtils;
 public class Commons {
 
     public static final String LOG_TAG = Commons.class.getSimpleName();
-    public static String PM3_CLIENT_VERSION = "RRG/Iceman// 2020/02/11";
+    public static String PM3_CLIENT_VERSION = "RRG/Iceman// 2020/05/06";
 
     private Commons() {
     }
diff --git a/pm3rdv4rrg/src/main/cpp/proxmark3 b/pm3rdv4rrg/src/main/cpp/proxmark3
index 00b58415..0c233590 160000
--- a/pm3rdv4rrg/src/main/cpp/proxmark3
+++ b/pm3rdv4rrg/src/main/cpp/proxmark3
@@ -1 +1 @@
-Subproject commit 00b5841597742ec3bb902d9d927e962d4b2ba124
+Subproject commit 0c233590a56df9d2de3ccc40bd19288de574bbda