diff --git a/2021/package-lock.json b/2021/package-lock.json
index 28d4254..44b34e5 100644
--- a/2021/package-lock.json
+++ b/2021/package-lock.json
@@ -9,24 +9,287 @@
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 }
diff --git a/2021/package.json b/2021/package.json
index 9cfc9ad..5b4d075 100644
--- a/2021/package.json
+++ b/2021/package.json
@@ -9,6 +9,6 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "ejs": "^2.6.1"
+    "ejs": "^3.1.10"
   }
 }