diff --git a/build-apk-vad.sh b/build-apk-vad.sh
index bca84d983..aa45f5724 100755
--- a/build-apk-vad.sh
+++ b/build-apk-vad.sh
@@ -34,7 +34,7 @@ log "https://github.com/snakers4/silero-vad/raw/master/files/silero_vad.onnx"
 
 # Download the model
 pushd ./android/SherpaOnnxVad/app/src/main/assets/
-wget https://github.com/snakers4/silero-vad/raw/master/files/silero_vad.onnx
+wget -c https://github.com/snakers4/silero-vad/raw/master/files/silero_vad.onnx
 popd
 
 for arch in arm64-v8a armeabi-v7a x86_64 x86; do
diff --git a/build-ios-no-tts.sh b/build-ios-no-tts.sh
index f9cd626ed..9bbe5b26a 100755
--- a/build-ios-no-tts.sh
+++ b/build-ios-no-tts.sh
@@ -11,7 +11,7 @@ onnxruntime_dir=ios-onnxruntime/$onnxruntime_version
 if [ ! -f $onnxruntime_dir/onnxruntime.xcframework/ios-arm64/onnxruntime.a ]; then
   mkdir -p $onnxruntime_dir
   pushd $onnxruntime_dir
-  wget https://github.com/csukuangfj/onnxruntime-libs/releases/download/v${onnxruntime_version}/onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
+  wget -c https://github.com/csukuangfj/onnxruntime-libs/releases/download/v${onnxruntime_version}/onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
   tar xvf onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
   rm onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
   cd ..
diff --git a/build-kws-apk.sh b/build-kws-apk.sh
index 58c8a62f6..8a59f6f61 100755
--- a/build-kws-apk.sh
+++ b/build-kws-apk.sh
@@ -38,7 +38,7 @@ if [ ! -d ./android/SherpaOnnxKws/app/src/main/assets/$repo ]; then
   log "Start testing ${repo_url}"
 
   log "Download pretrained model and test-data from $repo_url"
-  wget -qq $repo_url
+  wget -c -qq $repo_url
   tar jxvf ${repo}.tar.bz
 
   pushd $repo