diff --git a/update.sh b/update.sh
new file mode 100755
index 0000000..5c398b3
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 <PARAMETER> <NEW_VALUE>"
+    exit 1
+fi
+
+PARAMETER=$1
+NEW_VALUE=$2
+
+# Список файлов
+FILES=(
+    "./config.json"
+    ".env"
+)
+
+for FILE in "${FILES[@]}"; do
+    EXPANDED_FILE=$(eval echo "$FILE")
+    sed -i "s|###$PARAMETER###|$NEW_VALUE|g" "$EXPANDED_FILE"
+done
\ No newline at end of file