diff --git a/packages/dashmate/configs/schema/configJsonSchema.js b/packages/dashmate/configs/schema/configJsonSchema.js
index 33712f8fcd0..595548b39f1 100644
--- a/packages/dashmate/configs/schema/configJsonSchema.js
+++ b/packages/dashmate/configs/schema/configJsonSchema.js
@@ -23,6 +23,7 @@ module.exports = {
           minLength: 1,
         },
         build: {
+          type: 'object',
           properties: {
             path: {
               type: ['string', 'null'],
@@ -59,6 +60,7 @@ module.exports = {
       additionalProperties: false,
     },
     abciLogFile: {
+      type: 'object',
       properties: {
         level: {
           type: 'string',
@@ -297,13 +299,16 @@ module.exports = {
               additionalProperties: false,
             },
             abci: {
+              type: 'object',
               properties: {
                 docker: {
                   $ref: '#/definitions/dockerBuild',
                 },
                 log: {
+                  type: 'object',
                   properties: {
                     stdout: {
+                      type: 'object',
                       properties: {
                         level: {
                           $ref: '#/definitions/abciLogFile/properties/level',
@@ -339,6 +344,7 @@ module.exports = {
               required: ['docker', 'log', 'validatorSet'],
             },
             tenderdash: {
+              type: 'object',
               properties: {
                 docker: {
                   $ref: '#/definitions/docker',
@@ -458,6 +464,7 @@ module.exports = {
           type: 'object',
           properties: {
             contract: {
+              type: 'object',
               properties: {
                 id: {
                   type: ['string', 'null'],
@@ -483,6 +490,7 @@ module.exports = {
           type: 'object',
           properties: {
             contract: {
+              type: 'object',
               properties: {
                 id: {
                   type: ['string', 'null'],
@@ -504,6 +512,7 @@ module.exports = {
           type: 'object',
           properties: {
             contract: {
+              type: 'object',
               properties: {
                 id: {
                   type: ['string', 'null'],
diff --git a/packages/dashmate/package.json b/packages/dashmate/package.json
index 52d13a01b40..f99ea1d27e1 100644
--- a/packages/dashmate/package.json
+++ b/packages/dashmate/package.json
@@ -59,7 +59,8 @@
     "@oclif/config": "^1.17.0",
     "@oclif/errors": "^1.3.4",
     "@oclif/plugin-help": "^3.2.2",
-    "ajv": "^6.12.3",
+    "ajv": "^8.6.0",
+    "ajv-formats": "^2.1.1",
     "awilix": "^4.2.6",
     "bls-signatures": "^0.2.5",
     "chalk": "^4.0.0",
diff --git a/packages/dashmate/src/config/Config.js b/packages/dashmate/src/config/Config.js
index 9ba7550e421..d08bb4efce3 100644
--- a/packages/dashmate/src/config/Config.js
+++ b/packages/dashmate/src/config/Config.js
@@ -4,6 +4,7 @@ const lodashGet = require('lodash.get');
 const lodashSet = require('lodash.set');
 const lodashCloneDeep = require('lodash.clonedeep');
 
+const addFormats = require('ajv-formats');
 const configJsonSchema = require('../../configs/schema/configJsonSchema');
 
 const convertObjectToEnvs = require('./convertObjectToEnvs');
@@ -172,5 +173,6 @@ class Config {
 }
 
 Config.ajv = new Ajv({ coerceTypes: true });
+addFormats(Config.ajv, { mode: 'fast', formats: ['ipv4'] });
 
 module.exports = Config;