diff --git a/example/package.json b/example/package.json
index e7ea227d..b9b5cad6 100644
--- a/example/package.json
+++ b/example/package.json
@@ -16,8 +16,8 @@
     "scheduler/tracing": "../node_modules/scheduler/tracing-profiling"
   },
   "devDependencies": {
-    "@types/react": "16.14.2",
-    "@types/react-dom": "16.9.10",
+    "@types/react": "16.14.66",
+    "@types/react-dom": "16.9.25",
     "parcel": "1.12.4",
     "typescript": "3.9.7"
   }
diff --git a/example/yarn.lock b/example/yarn.lock
index 14325055..66aceab0 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -861,21 +861,25 @@
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.2.tgz#690a1475b84f2a884fd07cd797c00f5f31356ea8"
   integrity sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==
 
-"@types/react-dom@16.9.10":
-  version "16.9.10"
-  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.10.tgz#4485b0bec3d41f856181b717f45fd7831101156f"
-  integrity sha512-ItatOrnXDMAYpv6G8UCk2VhbYVTjZT9aorLtA/OzDN9XJ2GKcfam68jutoAcILdRjsRUO8qb7AmyObF77Q8QFw==
-  dependencies:
-    "@types/react" "^16"
+"@types/react-dom@16.9.25":
+  version "16.9.25"
+  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.25.tgz#fc6440aaae3d2d3aa10f6afeb7f1b0c4a55d5e31"
+  integrity sha512-ZK//eAPhwft9Ul2/Zj+6O11YR6L4JX0J2sVeBC9Ft7x7HFN7xk7yUV/zDxqV6rjvqgl6r8Dq7oQImxtyf/Mzcw==
 
-"@types/react@16.14.2", "@types/react@^16":
-  version "16.14.2"
-  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.14.2.tgz#85dcc0947d0645349923c04ccef6018a1ab7538c"
-  integrity sha512-BzzcAlyDxXl2nANlabtT4thtvbbnhee8hMmH/CcJrISDBVcJS1iOsP1f0OAgSdGE0MsY9tqcrb9YoZcOFv9dbQ==
+"@types/react@16.14.66":
+  version "16.14.66"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.14.66.tgz#38fb6d7630756c78b896413499bf2fd0f8c7cc0a"
+  integrity sha512-KPilYP4+25N2ki7vrB4adSR2ucAj95xJcGfKC09bsxcHT+QtB//K7i1FenPnbkLA0Xt9pRi1/RXC1wxFvL9Wtw==
   dependencies:
     "@types/prop-types" "*"
+    "@types/scheduler" "^0.16"
     csstype "^3.0.2"
 
+"@types/scheduler@^0.16":
+  version "0.16.8"
+  resolved "https://registry.yarnpkg.com/@types/scheduler/-/scheduler-0.16.8.tgz#ce5ace04cfeabe7ef87c0091e50752e36707deff"
+  integrity sha512-WZLiwShhwLRmeV6zH+GkbOFT6Z6VklCItrDioxUnv+u4Ll+8vKeFySoFyK/0ctcRpOmwAicELfmys1sDc/Rw+A==
+
 abab@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.3.tgz#623e2075e02eb2d3f2475e49f99c91846467907a"
diff --git a/package.json b/package.json
index 26be64d4..0cab97f1 100644
--- a/package.json
+++ b/package.json
@@ -35,8 +35,8 @@
   "author": "Hidetaka Okamoto",
   "module": "dist/react-github-ribbons.esm.js",
   "devDependencies": {
-    "@types/react": "16.14.2",
-    "@types/react-dom": "16.9.10",
+    "@types/react": "16.14.66",
+    "@types/react-dom": "16.9.25",
     "husky": "4.3.7",
     "react": "16.14.0",
     "react-dom": "16.14.0",
diff --git a/yarn.lock b/yarn.lock
index 28213396..f054deb6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1499,19 +1499,18 @@
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.3.tgz#2ab0d5da2e5815f94b0b9d4b95d1e5f243ab2ca7"
   integrity sha512-KfRL3PuHmqQLOG+2tGpRO26Ctg+Cq1E01D2DMriKEATHgWLfeNDmq9e29Q9WIky0dQ3NPkd1mzYH8Lm936Z9qw==
 
-"@types/react-dom@16.9.10":
-  version "16.9.10"
-  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.10.tgz#4485b0bec3d41f856181b717f45fd7831101156f"
-  integrity sha512-ItatOrnXDMAYpv6G8UCk2VhbYVTjZT9aorLtA/OzDN9XJ2GKcfam68jutoAcILdRjsRUO8qb7AmyObF77Q8QFw==
-  dependencies:
-    "@types/react" "^16"
+"@types/react-dom@16.9.25":
+  version "16.9.25"
+  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.25.tgz#fc6440aaae3d2d3aa10f6afeb7f1b0c4a55d5e31"
+  integrity sha512-ZK//eAPhwft9Ul2/Zj+6O11YR6L4JX0J2sVeBC9Ft7x7HFN7xk7yUV/zDxqV6rjvqgl6r8Dq7oQImxtyf/Mzcw==
 
-"@types/react@16.14.2", "@types/react@^16":
-  version "16.14.2"
-  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.14.2.tgz#85dcc0947d0645349923c04ccef6018a1ab7538c"
-  integrity sha512-BzzcAlyDxXl2nANlabtT4thtvbbnhee8hMmH/CcJrISDBVcJS1iOsP1f0OAgSdGE0MsY9tqcrb9YoZcOFv9dbQ==
+"@types/react@16.14.66":
+  version "16.14.66"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.14.66.tgz#38fb6d7630756c78b896413499bf2fd0f8c7cc0a"
+  integrity sha512-KPilYP4+25N2ki7vrB4adSR2ucAj95xJcGfKC09bsxcHT+QtB//K7i1FenPnbkLA0Xt9pRi1/RXC1wxFvL9Wtw==
   dependencies:
     "@types/prop-types" "*"
+    "@types/scheduler" "^0.16"
     csstype "^3.0.2"
 
 "@types/resolve@1.17.1":
@@ -1521,6 +1520,11 @@
   dependencies:
     "@types/node" "*"
 
+"@types/scheduler@^0.16":
+  version "0.16.8"
+  resolved "https://registry.yarnpkg.com/@types/scheduler/-/scheduler-0.16.8.tgz#ce5ace04cfeabe7ef87c0091e50752e36707deff"
+  integrity sha512-WZLiwShhwLRmeV6zH+GkbOFT6Z6VklCItrDioxUnv+u4Ll+8vKeFySoFyK/0ctcRpOmwAicELfmys1sDc/Rw+A==
+
 "@types/stack-utils@^1.0.1":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-1.0.1.tgz#0a851d3bd96498fa25c33ab7278ed3bd65f06c3e"