diff --git a/sign.sh b/sign.sh
index a1c48627b..1796e0ac6 100755
--- a/sign.sh
+++ b/sign.sh
@@ -2,6 +2,9 @@
 # Set path to your Android keystore and your keystore alias here, or put them in your environment
 [ -z "$ANDROID_KEYSTORE_FILE" ] && ANDROID_KEYSTORE_FILE=~/.android/debug.keystore
 [ -z "$ANDROID_KEYSTORE_ALIAS" ] && ANDROID_KEYSTORE_ALIAS=androiddebugkey
+PASS=
+[ -n "$ANDROID_KEYSTORE_PASS" ] && PASS="--ks-pass env:ANDROID_KEYSTORE_PASS"
+[ -n "$ANDROID_KEYSTORE_PASS_FILE" ] && PASS="--ks-pass file:$ANDROID_KEYSTORE_PASS_FILE"
 
 APPNAME=`grep AppName AndroidAppSettings.cfg | sed 's/.*=//' | tr -d '"' | tr " '/" '---'`
 APPVER=`grep AppVersionName AndroidAppSettings.cfg | sed 's/.*=//' | tr -d '"' | tr " '/" '---'`
@@ -18,6 +21,6 @@ zipalign 4 Signed.apk ../../../../../../$APPNAME-$APPVER.apk
 rm -f Signed.apk
 echo Using keystore $ANDROID_KEYSTORE_FILE and alias $ANDROID_KEYSTORE_ALIAS
 stty -echo
-apksigner sign --ks $ANDROID_KEYSTORE_FILE --ks-key-alias $ANDROID_KEYSTORE_ALIAS ../../../../../../$APPNAME-$APPVER.apk || exit 1
+apksigner sign --ks $ANDROID_KEYSTORE_FILE --ks-key-alias $ANDROID_KEYSTORE_ALIAS $PASS ../../../../../../$APPNAME-$APPVER.apk || exit 1
 stty echo
 echo
diff --git a/signBundle.sh b/signBundle.sh
index 60aae3663..6ba0f336d 100755
--- a/signBundle.sh
+++ b/signBundle.sh
@@ -1,7 +1,8 @@
 #!/bin/sh
 # Set path to your Android keystore and your keystore alias here, or put them in your environment
-[ -z "$ANDROID_KEYSTORE_FILE" ] && ANDROID_KEYSTORE_FILE=~/.android/debug.keystore
-[ -z "$ANDROID_KEYSTORE_ALIAS" ] && ANDROID_KEYSTORE_ALIAS=androiddebugkey
+PASS=
+[ -n "$ANDROID_UPLOAD_KEYSTORE_PASS" ] && PASS="-storepass:env ANDROID_UPLOAD_KEYSTORE_PASS"
+[ -n "$ANDROID_UPLOAD_KEYSTORE_PASS_FILE" ] && PASS="-storepass:file $ANDROID_UPLOAD_KEYSTORE_PASS_FILE"
 
 APPNAME=`grep AppName AndroidAppSettings.cfg | sed 's/.*=//' | tr -d '"' | tr " '/" '---'`
 APPVER=`grep AppVersionName AndroidAppSettings.cfg | sed 's/.*=//' | tr -d '"' | tr " '/" '---'`
@@ -19,6 +20,6 @@ cp -f app.aab ../../../../../../$APPNAME-$APPVER.aab || exit 1
 # Sign with the new certificate
 echo Using keystore $ANDROID_UPLOAD_KEYSTORE_FILE and alias $ANDROID_UPLOAD_KEYSTORE_ALIAS
 stty -echo
-jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $ANDROID_UPLOAD_KEYSTORE_FILE ../../../../../../$APPNAME-$APPVER.aab $ANDROID_UPLOAD_KEYSTORE_ALIAS || exit 1
+jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $ANDROID_UPLOAD_KEYSTORE_FILE $PASS ../../../../../../$APPNAME-$APPVER.aab $ANDROID_UPLOAD_KEYSTORE_ALIAS || exit 1
 stty echo
 echo