diff --git a/theme/package.json b/theme/package.json
index 84b3efcbc..3f9181ccb 100644
--- a/theme/package.json
+++ b/theme/package.json
@@ -58,7 +58,7 @@
   "dependencies": {
     "@fortawesome/fontawesome-free": "^7.0.1",
     "js-cookie": "^3.0",
-    "js-yaml": "^4.1",
+    "js-yaml": "^4.3",
     "tippy.js": "^6.3"
   }
 }
diff --git a/theme/yarn.lock b/theme/yarn.lock
index 84bc8c9af..6ca3b025f 100644
--- a/theme/yarn.lock
+++ b/theme/yarn.lock
@@ -2423,10 +2423,10 @@ js-tokens@^4.0.0:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-yaml@^4.1, js-yaml@^4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.1.tgz#854c292467705b699476e1a2decc0c8a3458806b"
-  integrity sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==
+js-yaml@^4.1.0, js-yaml@^4.3:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.1.tgz#01216c001d67f48e2cd560d708c7af21090a3848"
+  integrity sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==
   dependencies:
     argparse "^2.0.1"