diff --git a/package.json b/package.json
index 915c39e..78aea20 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "author": "Cat Chen <catchen@catchen.me>",
   "license": "MIT",
   "devDependencies": {
-    "ajv": "^7.2.1",
+    "ajv": "^7.2.3",
     "typescript": "^4.2.3"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 4a843f4..3f9fe78 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-ajv@^7.2.1:
-  version "7.2.1"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.2.1.tgz#a5ac226171912447683524fa2f1248fcf8bac83d"
-  integrity sha512-+nu0HDv7kNSOua9apAVc979qd932rrZeb3WOvoiD31A/p1mIE5/9bN2027pE2rOPYEdS3UHzsvof4hY+lM9/WQ==
+ajv@^7.2.3:
+  version "7.2.3"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-7.2.3.tgz#ca78d1cf458d7d36d1c3fa0794dd143406db5772"
+  integrity sha512-idv5WZvKVXDqKralOImQgPM9v6WOdLNa0IY3B3doOjw/YxRGT8I+allIJ6kd7Uaj+SF1xZUSU+nPM5aDNBVtnw==
   dependencies:
     fast-deep-equal "^3.1.1"
     json-schema-traverse "^1.0.0"