diff --git a/kolibri/plugins/perseus_viewer/package.json b/kolibri/plugins/perseus_viewer/package.json
index 05d9fa8d8fa..32183781aad 100644
--- a/kolibri/plugins/perseus_viewer/package.json
+++ b/kolibri/plugins/perseus_viewer/package.json
@@ -36,7 +36,7 @@
     "fractional": "^1.0.0",
     "intersection-observer": "^0.12.0",
     "jquery": "^2.1.1",
-    "katex": "^0.16.18",
+    "katex": "^0.16.19",
     "lodash.debounce": "^4.0.8",
     "prop-types": "^15.6.1",
     "react": "16.14.0",
diff --git a/yarn.lock b/yarn.lock
index dfbce902b9c..733d3449f32 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7728,10 +7728,10 @@ jszip@*, jszip@^3.1.5:
     readable-stream "~2.3.6"
     setimmediate "^1.0.5"
 
-katex@^0.16, katex@^0.16.18:
-  version "0.16.18"
-  resolved "https://registry.yarnpkg.com/katex/-/katex-0.16.18.tgz#20781284288bc52805c519e48ac756163ad4b1f3"
-  integrity sha512-LRuk0rPdXrecAFwQucYjMiIs0JFefk6N1q/04mlw14aVIVgxq1FO0MA9RiIIGVaKOB5GIP5GH4aBBNraZERmaQ==
+katex@^0.16, katex@^0.16.19:
+  version "0.16.19"
+  resolved "https://registry.yarnpkg.com/katex/-/katex-0.16.19.tgz#698e026188876f9c8c93d3ecb27b212aaa056d0a"
+  integrity sha512-3IA6DYVhxhBabjSLTNO9S4+OliA3Qvb8pBQXMfC4WxXJgLwZgnfDl0BmB4z6nBMdznBsZ+CGM8DrGZ5hcguDZg==
   dependencies:
     commander "^8.3.0"