diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 05a4de2..eb9b6cd 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -145,7 +145,7 @@ jobs:
           cat > update.json <<EOF
           {
             "version": "${{ inputs.version }}",
-            "versionCode": ${{ inputs.versionCode }},
+            "versionCode": ${{ inputs.version_code }},
             "zipUrl": "https://github.com/${{ github.repository }}/releases/download/${{ inputs.release_tag }}/zaprett.zip",
             "changelog": "https://raw.githubusercontent.com/${{ github.repository }}/refs/heads/main/changelog.md"
           }
@@ -153,7 +153,7 @@ jobs:
           cat > update_extended.json <<EOF
           {
             "version": "${{ inputs.version }}",
-            "versionCode": ${{ inputs.versionCode }},
+            "versionCode": ${{ inputs.version_code }},
             "zipUrl": "https://github.com/${{ github.repository }}/releases/download/${{ inputs.release_tag }}/zaprett-extended.zip",
             "changelog": "https://raw.githubusercontent.com/${{ github.repository }}/refs/heads/main/changelog.md"
           }
@@ -161,7 +161,7 @@ jobs:
           cat > update_tv.json <<EOF
           {
             "version": "${{ inputs.version }}",
-            "versionCode": ${{ inputs.versionCode }},
+            "versionCode": ${{ inputs.version_code }},
             "zipUrl": "https://github.com/${{ github.repository }}/releases/download/${{ inputs.release_tag }}/zaprett-tv.zip",
             "changelog": "https://raw.githubusercontent.com/${{ github.repository }}/refs/heads/main/changelog.md"
           }
diff --git a/src/META-INF/com/google/android/update-binary b/src/META-INF/com/google/android/update-binary
new file mode 100644
index 0000000..ea4889e
--- /dev/null
+++ b/src/META-INF/com/google/android/update-binary
@@ -0,0 +1,33 @@
+#!/sbin/sh
+
+#################
+# Initialization
+#################
+
+umask 022
+
+# echo before loading util_functions
+ui_print() { echo "$1"; }
+
+require_new_magisk() {
+  ui_print "*******************************"
+  ui_print " Please install Magisk v20.4+! "
+  ui_print "*******************************"
+  exit 1
+}
+
+#########################
+# Load util_functions.sh
+#########################
+
+OUTFD=$2
+ZIPFILE=$3
+
+mount /data 2>/dev/null
+
+[ -f /data/adb/magisk/util_functions.sh ] || require_new_magisk
+. /data/adb/magisk/util_functions.sh
+[ $MAGISK_VER_CODE -lt 20400 ] && require_new_magisk
+
+install_module
+exit 0
\ No newline at end of file
diff --git a/src/META-INF/com/google/android/updater-script b/src/META-INF/com/google/android/updater-script
new file mode 100644
index 0000000..f225797
--- /dev/null
+++ b/src/META-INF/com/google/android/updater-script
@@ -0,0 +1 @@
+#MAGISK