diff --git a/package.json b/package.json
index 3c19f4c01..fcd23766a 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "babel-plugin-transform-react-jsx": "^6.24.1",
     "babel-preset-preact": "^1.1.0",
     "chart.js": "^2.8.0",
-    "codemirror": "^5.45.0",
+    "codemirror": "^5.46.0",
     "intersection-observer": "^0.5.1",
     "linkstate": "^1.1.1",
     "marked": "^0.6.2",
diff --git a/yarn.lock b/yarn.lock
index d326b45cb..dd9da4bd9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2883,10 +2883,10 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
-codemirror@^5.45.0:
-  version "5.45.0"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.45.0.tgz#db5ebbb3bf44028c684053f3954d011efcec27ad"
-  integrity sha512-c19j644usCE8gQaXa0jqn2B/HN9MnB2u6qPIrrhrMkB+QAP42y8G4QnTwuwbVSoUS1jEl7JU9HZMGhCDL0nsAw==
+codemirror@^5.46.0:
+  version "5.46.0"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.46.0.tgz#be3591572f88911e0105a007c324856a9ece0fb7"
+  integrity sha512-3QpMge0vg4QEhHW3hBAtCipJEWjTJrqLLXdIaWptJOblf1vHFeXLNtFhPai/uX2lnFCehWNk4yOdaMR853Z02w==
 
 collection-visit@^1.0.0:
   version "1.0.0"