diff --git a/package.json b/package.json
index dbfbfbe..ec75267 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "author": "Cat Chen <catchen@catchen.me>",
   "license": "MIT",
   "devDependencies": {
-    "ajv": "^7.0.4",
+    "ajv": "^7.1.1",
     "typescript": "^4.1.5"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 4319dc8..79246cc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-ajv@^7.0.4:
-  version "7.0.4"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.0.4.tgz#827e5f5ae32f5e5c1637db61f253a112229b5e2f"
-  integrity sha512-xzzzaqgEQfmuhbhAoqjJ8T/1okb6gAzXn/eQRNpAN1AEUoHJTNF9xCDRTtf/s3SKldtZfa+RJeTs+BQq+eZ/sw==
+ajv@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.1.1.tgz#1e6b37a454021fa9941713f38b952fc1c8d32a84"
+  integrity sha512-ga/aqDYnUy/o7vbsRTFhhTsNeXiYb5JWDIcRIeZfwRNCefwjNTVYCGdGSUrEmiu3yDK3vFvNbgJxvrQW4JXrYQ==
   dependencies:
     fast-deep-equal "^3.1.1"
     json-schema-traverse "^1.0.0"