diff --git a/qt-build b/qt-build
index 029b23b..8607205 100755
--- a/qt-build
+++ b/qt-build
@@ -4,11 +4,15 @@ set -e
 [[ -z "${PLUGIN_QMAKE_ARGUMENTS}"  ]] && QMAKE_ARGUMENTS=$1 || QMAKE_ARGUMENTS="${PLUGIN_QMAKE_ARGUMENTS}"
 [[ -z "${PLUGIN_ANDROIDDEPLOYQT_ARGUMENTS}" ]] && ANDROIDDEPLOYQT_ARGUMENTS=$2 || ANDROIDDEPLOYQT_ARGUMENTS="${PLUGIN_ANDROIDDEPLOYQT_ARGUMENTS}"
 [[ -z "${PLUGIN_SRC_DIR}" ]] && SRC_DIR=$(pwd) || SRC_DIR=$(realpath "${PLUGIN_SRC_DIR}")
+[[ -z "${PLUGIN_ANDROID_KEYSTORE_PATH}" ]] && ANDROID_KEYSTORE_PATH=$3 || ANDROID_KEYSTORE_PATH=$(realpath "${PLUGIN_ANDROID_KEYSTORE_PATH}")
+[[ -z "${PLUGIN_ANDROID_KEYSTORE_ALIAS}" ]] && ANDROID_KEYSTORE_ALIAS=$4 || ANDROID_KEYSTORE_ALIAS="${PLUGIN_ANDROID_KEYSTORE_ALIAS}"
+[[ -z "${PLUGIN_ANDROID_KEYSTORE_STORE_PASS}" ]] && ANDROID_KEYSTORE_STORE_PASS=$5 || ANDROID_KEYSTORE_STORE_PASS="${PLUGIN_ANDROID_KEYSTORE_STORE_PASS}"
 
 echo "**** environment: ****"
 echo "* QMAKE_ARGUMENTS=${QMAKE_ARGUMENTS}"
-echo "* ANDROIDDEPLOYQT_ARGUMENTS=${PLUGIN_ANDROIDDEPLOYQT_ARGUMENTS}"
+echo "* ANDROIDDEPLOYQT_ARGUMENTS=${ANDROIDDEPLOYQT_ARGUMENTS}"
 echo "* SRC_DIR=${SRC_DIR}"
+echo "* ANDROID_KEYSTORE_PATH=${ANDROID_KEYSTORE_PATH}"
 echo "**********************"
 echo ""
 echo "**** prepare ****"
@@ -24,7 +28,15 @@ make -j8
 make INSTALL_ROOT=/build/android-build install
 
 echo "**** android build ****"
-androiddeployqt --input $(ls -1 /build/android-*-deployment-settings.json) --output /build/android-build --gradle $ANDROIDDEPLOYQT_ARGUMENTS
+# inject signing stuff
+if [ -n "$ANDROID_KEYSTORE_PATH" ] && [ -n "$ANDROID_KEYSTORE_ALIAS" ]; then
+    ANDROIDDEPLOYQT_ARGUMENTS="$ANDROIDDEPLOYQT_ARGUMENTS --sign $ANDROID_KEYSTORE_PATH $ANDROID_KEYSTORE_ALIAS"
+    if [ -n "$ANDROID_KEYSTORE_STORE_PASS" ]; then
+        ANDROIDDEPLOYQT_ARGUMENTS="$ANDROIDDEPLOYQT_ARGUMENTS --storepass $ANDROID_KEYSTORE_STORE_PASS"
+    fi
+fi
+
+androiddeployqt --input $(ls -1 /build/android-*-deployment-settings.json) --output /build/android-build $ANDROIDDEPLOYQT_ARGUMENTS
 
 echo "**** finish up ****"
 mv /build/android-build//build/outputs $SRC_DIR/outputs