diff --git a/schema.chain.json b/schema.chain.json
index 320ea20..e15c9db 100644
--- a/schema.chain.json
+++ b/schema.chain.json
@@ -3,7 +3,7 @@
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "description": "Chain Registry via Evmos Governance",
   "type": "object",
-  "required": ["gasPriceStep", "prefix", "bip44"],
+  "required": ["gasPriceStep", "prefix", "bip44", "configurations"],
   "properties": {
     "prefix": {
       "type": "string",
@@ -58,6 +58,7 @@
     },
     "configurations": {
       "type": "array",
+      "minItems": 1,
       "items": {
         "type": "object",
         "required": [