diff --git a/build/configure/src/web.rs b/build/configure/src/web.rs
index be53c8ed9..91e5bf6c7 100644
--- a/build/configure/src/web.rs
+++ b/build/configure/src/web.rs
@@ -539,14 +539,13 @@ pub const MATHJAX_FILES: &[&str] = &[
     "mathjax/es5/output/chtml/fonts/woff-v2/MathJax_Vector-Regular.woff",
     "mathjax/es5/output/chtml/fonts/woff-v2/MathJax_Zero.woff",
     "mathjax/es5/tex-chtml.js",
-    // these change to '.json' in the latest mathjax
-    "mathjax/es5/sre/mathmaps/de.js",
-    "mathjax/es5/sre/mathmaps/en.js",
-    "mathjax/es5/sre/mathmaps/es.js",
-    "mathjax/es5/sre/mathmaps/fr.js",
-    "mathjax/es5/sre/mathmaps/hi.js",
-    "mathjax/es5/sre/mathmaps/it.js",
-    "mathjax/es5/sre/mathmaps/nemeth.js",
+    "mathjax/es5/sre/mathmaps/de.json",
+    "mathjax/es5/sre/mathmaps/en.json",
+    "mathjax/es5/sre/mathmaps/es.json",
+    "mathjax/es5/sre/mathmaps/fr.json",
+    "mathjax/es5/sre/mathmaps/hi.json",
+    "mathjax/es5/sre/mathmaps/it.json",
+    "mathjax/es5/sre/mathmaps/nemeth.json",
 ];
 
 pub fn copy_mathjax() -> impl BuildAction {
diff --git a/ts/licenses.json b/ts/licenses.json
index 707b72cc5..34d5b6632 100644
--- a/ts/licenses.json
+++ b/ts/licenses.json
@@ -524,7 +524,7 @@
         "path": "node_modules/marked",
         "licenseFile": "node_modules/marked/LICENSE.md"
     },
-    "mathjax@3.2.0": {
+    "mathjax@3.2.2": {
         "licenses": "Apache-2.0",
         "repository": "https://github.com/mathjax/MathJax",
         "path": "node_modules/mathjax",
diff --git a/yarn.lock b/yarn.lock
index ac069ec39..bd8327854 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3991,9 +3991,9 @@ marked@^4.0.0, marked@^4.0.10:
   integrity sha512-hgibXWrEDNBWgGiK18j/4lkS6ihTe9sxtV4Q1OQppb/0zzyPSzoFANBa5MfsG/zgsWklmNnhm0XACZOH/0HBiQ==
 
 mathjax@^3.1.2:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/mathjax/-/mathjax-3.2.0.tgz#ea7c317f8c81776ecfc83b294fc313046bf7f726"
-  integrity sha512-PL+rdYRK4Wxif+SQ94zP/L0sv6/oW/1WdQiIx0Jvn9FZaU5W9E6nlIv8liYAXBNPL2Fw/i+o/mZ1212eSzn0Cw==
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/mathjax/-/mathjax-3.2.2.tgz#c754d7b46a679d7f3fa03543d6b8bf124ddf9f6b"
+  integrity sha512-Bt+SSVU8eBG27zChVewOicYs7Xsdt40qm4+UpHyX7k0/O9NliPc+x77k1/FEsPsjKPZGJvtRZM1vO+geW0OhGw==
 
 mdurl@^1.0.1:
   version "1.0.1"