diff --git a/JavaScript/package-lock.json b/JavaScript/package-lock.json
index bd1f589..5c6ed9a 100644
--- a/JavaScript/package-lock.json
+++ b/JavaScript/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "flatted": "^3.2.9",
+        "flatted": "^3.4.0",
         "nearley": "^2.19.0"
       }
     },
@@ -24,9 +24,9 @@
       "integrity": "sha1-44Mx8IRLukm5qctxx3FYWqsbxlo="
     },
     "node_modules/flatted": {
-      "version": "3.2.9",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.9.tgz",
-      "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ=="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.0.tgz",
+      "integrity": "sha512-kC6Bb+ooptOIvWj5B63EQWkF0FEnNjV2ZNkLMLZRDDduIiWeFF4iKnslwhiWxjAdbg4NzTNo6h0qLuvFrcx+Sw=="
     },
     "node_modules/moo": {
       "version": "0.4.3",
@@ -97,9 +97,9 @@
       "integrity": "sha1-44Mx8IRLukm5qctxx3FYWqsbxlo="
     },
     "flatted": {
-      "version": "3.2.9",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.9.tgz",
-      "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ=="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.0.tgz",
+      "integrity": "sha512-kC6Bb+ooptOIvWj5B63EQWkF0FEnNjV2ZNkLMLZRDDduIiWeFF4iKnslwhiWxjAdbg4NzTNo6h0qLuvFrcx+Sw=="
     },
     "moo": {
       "version": "0.4.3",
diff --git a/JavaScript/package.json b/JavaScript/package.json
index 3182112..b0b0347 100644
--- a/JavaScript/package.json
+++ b/JavaScript/package.json
@@ -11,7 +11,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "flatted": "^3.2.9",
+    "flatted": "^3.4.0",
     "nearley": "^2.19.0"
   }
 }