diff --git a/.gitignore b/.gitignore
index d2d16a1b..b5b67852 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,7 +57,6 @@ run-offline-decode-files.sh
 sherpa-onnx-nemo-ctc-en-citrinet-512
 sherpa-onnx-streaming-paraformer-bilingual-zh-en
 run-offline-decode-files-nemo-ctc.sh
-*.jar
 sherpa-onnx-nemo-ctc-*
 *.wav
 sherpa-onnx-zipformer-*
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c477d323..7d104365 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.13 FATAL_ERROR)
 project(sherpa-onnx)
 
-set(SHERPA_ONNX_VERSION "1.7.20")
+set(SHERPA_ONNX_VERSION "1.7.21")
 
 # Disable warning about
 #
diff --git a/android/SherpaOnnxVad/gradle/wrapper/gradle-wrapper.jar b/android/SherpaOnnxVad/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..e708b1c0
Binary files /dev/null and b/android/SherpaOnnxVad/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/android/SherpaOnnxVadAsr/gradle/wrapper/gradle-wrapper.jar b/android/SherpaOnnxVadAsr/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..e708b1c0
Binary files /dev/null and b/android/SherpaOnnxVadAsr/gradle/wrapper/gradle-wrapper.jar differ