diff --git a/qt/aqt/data/web/js/BUILD.bazel b/qt/aqt/data/web/js/BUILD.bazel
index 8cdc09d22..14efa367e 100644
--- a/qt/aqt/data/web/js/BUILD.bazel
+++ b/qt/aqt/data/web/js/BUILD.bazel
@@ -17,7 +17,6 @@ ts_library(
         "pycmd",
         "@npm//@types/jquery",
         "@npm//@types/jqueryui",
-        "@npm//@types/mathjax",
     ],
 )
 
diff --git a/ts/package.json b/ts/package.json
index eeb2cfef4..89841291f 100644
--- a/ts/package.json
+++ b/ts/package.json
@@ -26,7 +26,6 @@
         "@types/jqueryui": "^1.12.13",
         "@types/lodash": "^4.14.162",
         "@types/long": "^4.0.1",
-        "@types/mathjax": "0.0.36",
         "@types/react": "^16.9.53",
         "@types/react-dom": "^16.9.8",
         "@typescript-eslint/eslint-plugin": "^2.11.0",
diff --git a/ts/yarn.lock b/ts/yarn.lock
index 1ab3e607c..bec018071 100644
--- a/ts/yarn.lock
+++ b/ts/yarn.lock
@@ -264,11 +264,6 @@
   resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.1.tgz#459c65fa1867dafe6a8f322c4c51695663cc55e9"
   integrity sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w==
 
-"@types/mathjax@0.0.36":
-  version "0.0.36"
-  resolved "https://registry.yarnpkg.com/@types/mathjax/-/mathjax-0.0.36.tgz#18cf766f88ac0cd4e7ee8282b1286049bb6aa682"
-  integrity sha512-TqDJc2GWuTqd/m+G/FbNkN+/TF2OCCHvcawmhIrUaZkdVquMdNZmNiNUkupNg9qctorXXkVLVSogZv1DhmgLmg==
-
 "@types/node@*":
   version "14.14.7"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.7.tgz#8ea1e8f8eae2430cf440564b98c6dfce1ec5945d"
@@ -1825,6 +1820,11 @@ marked@^0.8.2:
   resolved "https://registry.yarnpkg.com/marked/-/marked-0.8.2.tgz#4faad28d26ede351a7a1aaa5fec67915c869e355"
   integrity sha512-EGwzEeCcLniFX51DhTpmTom+dSA/MG/OBUDjnWtHbEnjAH180VzUeAw+oE4+Zv+CoYBWyRlYOTR0N8SO9R1PVw==
 
+mathjax@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/mathjax/-/mathjax-3.1.2.tgz#95c0d45ce2330ef7b6a815cebe7d61ecc26bbabd"
+  integrity sha512-BojKspBv4nNWzO1wC6VEI+g9gHDOhkaGHGgLxXkasdU4pwjdO5AXD5M/wcLPkXYPjZ/N+6sU8rjQTlyvN2cWiQ==
+
 mdurl@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"