diff --git a/package-lock.json b/package-lock.json
index 6958752b..b20b248c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -147,9 +147,9 @@
       "dev": true
     },
     "@types/react": {
-      "version": "16.9.26",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.26.tgz",
-      "integrity": "sha512-dGuSM+B0Pq1MKXYUMlUQWeS6Jj9IhSAUf9v8Ikaimj+YhkBcQrihWBkmyEhK/1fzkJTwZQkhZp5YhmWa2CH+Rw==",
+      "version": "16.9.27",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.27.tgz",
+      "integrity": "sha512-j+RvQb9w7a2kZFBOgTh+s/elCwtqWUMN6RJNdmz0ntmwpeoMHKnyhUcmYBu7Yw94Rtj9938D+TJSn6WGcq2+OA==",
       "dev": true,
       "requires": {
         "@types/prop-types": "*",
diff --git a/package.json b/package.json
index eb531e0d..5404dbd2 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "author": "cybozu",
   "license": "MIT",
   "devDependencies": {
-    "@types/react": "^16.9.26",
+    "@types/react": "^16.9.27",
     "eslint": "^6.8.0",
     "mocha": "^7.1.1",
     "npm-run-all": "^4.1.5",