diff --git a/package.json b/package.json
index 062d2a2a6..dfb19eaab 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "@babel/plugin-proposal-optional-chaining": "^7.9.0",
     "@blockstack/eslint-config": "^1.0.5",
     "@blockstack/rpc-client": "^0.3.0-alpha.11",
-    "ajv": "^4.11.5",
+    "ajv": "^6.12.3",
     "bip32": "^2.0.4",
     "bip39": "^3.0.2",
     "bitcoinjs-lib": "^5.1.10",