diff --git a/package.json b/package.json
index 3f9f0aed..c85bfaa0 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "iconv-lite": "^0.4.19",
     "immutable": "^3.8.1",
     "invert-color": "^2.0.0",
-    "js-yaml": "^3.12.0",
+    "js-yaml": "^3.13.1",
     "jsonlint-mod": "^1.7.4",
     "katex": "^0.10.1",
     "lodash": "^4.17.13",
diff --git a/yarn.lock b/yarn.lock
index 97bf5555..ab5441b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5603,16 +5603,10 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
 
-js-yaml@^3.10.0, js-yaml@^3.5.1, js-yaml@^3.7.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^4.0.0"
-
-js-yaml@^3.12.0, js-yaml@^3.8.1, js-yaml@^3.9.0:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
+js-yaml@^3.10.0, js-yaml@^3.13.1, js-yaml@^3.5.1, js-yaml@^3.7.0, js-yaml@^3.8.1, js-yaml@^3.9.0:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+  integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"