diff --git a/package.json b/package.json
index 6fd1dc0..b89c939 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@marks-js/marks": "^1.1.26",
     "@marks-js/mermaid": "^1.0.56",
     "@material-ui/styles": "^4.10.0",
-    "codemirror": "^5.55.0",
+    "codemirror": "^5.58.2",
     "react-codemirror2": "^7.2.1",
     "shadow-flux": "^2.0.12"
   },
diff --git a/yarn.lock b/yarn.lock
index 5f0e5cf..6c4338c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -668,10 +668,10 @@ clsx@^1.0.4:
   resolved "https://registry.yarnpkg.com/clsx/-/clsx-1.1.1.tgz#98b3134f9abbdf23b2663491ace13c5c03a73188"
   integrity sha512-6/bPho624p3S2pMyvP5kKBPXnI3ufHLObBFCfgx+LkeR5lg2XYy2hqZqUf45ypD8COn2bhgGJSUE+l5dhNBieA==
 
-codemirror@^5.55.0:
-  version "5.55.0"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.55.0.tgz#23731f641288f202a6858fdc878f3149e0e04363"
-  integrity sha512-TumikSANlwiGkdF/Blnu/rqovZ0Y3Jh8yy9TqrPbSM0xxSucq3RgnpVDQ+mD9q6JERJEIT2FMuF/fBGfkhIR/g==
+codemirror@^5.58.2:
+  version "5.58.2"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.58.2.tgz#ed54a1796de1498688bea1cdd4e9eeb187565d1b"
+  integrity sha512-K/hOh24cCwRutd1Mk3uLtjWzNISOkm4fvXiMO7LucCrqbh6aJDdtqUziim3MZUI6wOY0rvY1SlL1Ork01uMy6w==
 
 collection-visit@^1.0.0:
   version "1.0.0"