diff --git a/android/app/build.gradle b/android/app/build.gradle
index d8f0996..1abf6fc 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -43,7 +43,7 @@ android {
     defaultConfig {
         applicationId "me.hanh.ywallet"
         minSdkVersion 24
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         ndk {
diff --git a/native/zcash-sync b/native/zcash-sync
index cc17413..8af53fd 160000
--- a/native/zcash-sync
+++ b/native/zcash-sync
@@ -1 +1 @@
-Subproject commit cc17413e9c9f62be7682cb807828bc238a650a31
+Subproject commit 8af53fde0980ac8389e3cc41365a636328f5b85d