diff --git a/yarn.lock b/yarn.lock
index f0a1f43..fa62709 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2082,9 +2082,9 @@ bluebird@^3.5.5:
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
+  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
 
 body-parser@1.19.0:
   version "1.19.0"
@@ -3392,9 +3392,9 @@ electron-to-chromium@^1.3.122, electron-to-chromium@^1.3.191:
   integrity sha512-NFGRHzY0x8yIUFnAthKxaOKe5q+c8jjvyQM2pMq2+59QORz8AN5+qXPJBwX05kz2uEtyraX2XxB0LPT+7EE6vw==
 
 elliptic@^6.0.0:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.0.tgz#2b8ed4c891b7de3200e14412a5b8248c7af505ca"
-  integrity sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"
@@ -5783,12 +5783,12 @@ jsx-ast-utils@^2.0.1, jsx-ast-utils@^2.1.0, jsx-ast-utils@^2.2.1:
     array-includes "^3.0.3"
     object.assign "^4.1.0"
 
-katex@^0.10.2:
-  version "0.10.2"
-  resolved "https://registry.yarnpkg.com/katex/-/katex-0.10.2.tgz#39973edbb65eda5b6f9e7f41648781e557dd4932"
-  integrity sha512-cQOmyIRoMloCoSIOZ1+gEwsksdJZ1EW4SWm3QzxSza/QsnZr6D4U1V9S4q+B/OLm2OQ8TCBecQ8MaIfnScI7cw==
+katex@0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/katex/-/katex-0.9.0.tgz#26a7d082c21d53725422d2d71da9b2d8455fbd4a"
+  integrity sha512-lp3x90LT1tDZBW2tjLheJ98wmRMRjUHwk4QpaswT9bhqoQZ+XA4cPcjcQBxgOQNwaOSt6ZeL/a6GKQ1of3LFxQ==
   dependencies:
-    commander "^2.19.0"
+    match-at "^0.1.1"
 
 killable@^1.0.0:
   version "1.0.1"
@@ -6045,6 +6045,11 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
+match-at@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/match-at/-/match-at-0.1.1.tgz#25d040d291777704d5e6556bbb79230ec2de0540"
+  integrity sha512-h4Yd392z9mST+dzc+yjuybOGFNOZjmXIPKWjxBd1Bb23r4SmDOsk2NYCU2BMUBGbSpZqwVsZYNq26QS3xfaT3Q==
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"