diff --git a/sandbox/package-lock.json b/sandbox/package-lock.json
index 86e99a0..47f72e5 100644
--- a/sandbox/package-lock.json
+++ b/sandbox/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Unlicense",
       "dependencies": {
         "connect": "^3.2.0",
-        "js-yaml": "^5.2.2",
+        "js-yaml": "^5.3.0",
         "oas-tools": "^3.1.0"
       }
     },
@@ -930,9 +930,9 @@
       }
     },
     "node_modules/js-yaml": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.2.2.tgz",
-      "integrity": "sha512-dayzUzKkJ1MkuUtZglSebU43utNXH0OWQByK9rKOOuYIO8M5TV1y+n8ALMdG0rdzBnfNkOmZEqrURepb0ejqBw==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.3.0.tgz",
+      "integrity": "sha512-muutsYr+e2+d3rTgUGslq5rxbBlUy3cJ61IsHag2QNDQV+7zXWjkUpmALIajhrlLlrgRUiymj6U3zUr/TMK84Q==",
       "funding": [
         {
           "type": "github",
diff --git a/sandbox/package.json b/sandbox/package.json
index fb13336..487b841 100644
--- a/sandbox/package.json
+++ b/sandbox/package.json
@@ -14,7 +14,7 @@
   "private": true,
   "dependencies": {
     "connect": "^3.2.0",
-    "js-yaml": "^5.2.2",
+    "js-yaml": "^5.3.0",
     "oas-tools": "^3.1.0"
   }
 }