diff --git a/package-lock.json b/package-lock.json
index 4fe0986..d160b0c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,10 +9,10 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
       "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
       "requires": {
-        "fast-deep-equal": "2.0.1",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.4.1",
-        "uri-js": "4.2.2"
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "asn1": {