diff --git a/package.json b/package.json
index c8ed8fb..2b7df26 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "gatsby-transformer-remark": "^2.16.1",
     "gatsby-transformer-sharp": "^2.12.1",
     "invariant": "^2.2.4",
-    "katex": "^0.13.20",
+    "katex": "^0.13.21",
     "lodash": "^4.17.21",
     "netlify-cms-app": "^2.15.57",
     "node-sass": "^6.0.1",
diff --git a/yarn.lock b/yarn.lock
index a7811ee..341704f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12511,10 +12511,10 @@ jwt-decode@^3.0.0:
   resolved "https://registry.yarnpkg.com/jwt-decode/-/jwt-decode-3.1.2.tgz#3fb319f3675a2df0c2895c8f5e9fa4b67b04ed59"
   integrity sha512-UfpWE/VZn0iP50d8cz9NrZLM9lSWhcJ+0Gt/nm4by88UL+J1SiKN8/5dkjMmbEzwL2CAe+67GsegCbIKtbp75A==
 
-katex@^0.13.20:
-  version "0.13.20"
-  resolved "https://registry.yarnpkg.com/katex/-/katex-0.13.20.tgz#8bb5d3a1b3383c428b36274385444c747b1fba1f"
-  integrity sha512-nGuuanV0idsPpWy3LKtTYSbqHwPOr9qxXuoJ/1l5fTLA2RYXVknpqElxgudXeaMz55OnxW2KhY7BV1greb08zg==
+katex@^0.13.21:
+  version "0.13.21"
+  resolved "https://registry.yarnpkg.com/katex/-/katex-0.13.21.tgz#e37af528679e430337cdbd6425a166acea6c0926"
+  integrity sha512-7VZpOh4vge3nODjzcIq3JaaQeO6LwAfIHQbV9CyEhK19/VKaLw8RIHYZ2xCQbZmH4re6mq2YHdKA6iLMZy6AFA==
   dependencies:
     commander "^6.0.0"