diff --git a/package.json b/package.json
index 73d464e..6ff7f56 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@mdx-js/loader": "^2.1.2",
+    "@mdx-js/loader": "^2.1.3",
     "@mdx-js/react": "^2.1.3",
     "@next/mdx": "^12.2.5",
     "@quri/squiggle-components": "^0.3.1",
diff --git a/yarn.lock b/yarn.lock
index 70fd477..37a1b5a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -110,10 +110,10 @@
   resolved "https://registry.yarnpkg.com/@juggle/resize-observer/-/resize-observer-3.3.1.tgz#b50a781709c81e10701004214340f25475a171a0"
   integrity sha512-zMM9Ds+SawiUkakS7y94Ymqx+S0ORzpG3frZirN3l+UlXUmSUR7hF4wxCVqW+ei94JzV5kt0uXBcoOEAuiydrw==
 
-"@mdx-js/loader@^2.1.2":
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/@mdx-js/loader/-/loader-2.1.2.tgz#fe7631bbef1e6546f4289f7adaef60083c22063a"
-  integrity sha512-P7CWhrqE5rZ3ewBngZ9t/zQPbSq42iuty78K3zJ8Bl518qnOX1d106c+n7I/zHODPAmw9JfYMQdbv9WrrHa0DA==
+"@mdx-js/loader@^2.1.3":
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/@mdx-js/loader/-/loader-2.1.3.tgz#b89f6e7b02933b1bf8a9cb69f73b43dab1bdb4d1"
+  integrity sha512-7LtklcfzZC9aWWFREop0ivemhwcp/cke2tICHEhnDyGn+hTg7LIbWCfSos68kJv9w7Z47KYfNcg9/8zBD+8eXA==
   dependencies:
     "@mdx-js/mdx" "^2.0.0"
     source-map "^0.7.0"