diff --git a/.eslintrc.json b/.eslintrc.json
index 16b9b13..3055747 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,29 +1,42 @@
-{
-	"globals": {},
-	"env": {
-		"commonjs": true,
-		"es2021": true,
-		"node": true
-	},
-	"parser": "@typescript-eslint/parser",
-	"plugins": [
-		"@typescript-eslint"
-	],
-	"extends": [
-		"eslint:recommended",
-		"plugin:@typescript-eslint/recommended",
-		"@matt-fidd"
-	],
-	"parserOptions": {
-		"ecmaVersion": "latest"
-	},
-	"rules": {
-		"max-len": "off",
-		"sort-imports": [
-			"error",
-			{
-				"allowSeparatedGroups": true
-			}
-		]
-	}
+{
+	"globals": {},
+	"env": {
+		"commonjs": true,
+		"es2021": true,
+		"node": true
+	},
+	"parser": "@typescript-eslint/parser",
+	"plugins": [
+		"@typescript-eslint"
+	],
+	"extends": [
+		"eslint:recommended",
+		"plugin:@typescript-eslint/recommended",
+		"@matt-fidd"
+	],
+	"parserOptions": {
+		"ecmaVersion": "latest"
+	},
+	"rules": {
+		"max-len": "off",
+		"sort-imports": [
+			"error",
+			{
+				"allowSeparatedGroups": true
+			}
+		],
+		"camelcase": [
+			"error",
+			{
+				"allow": [
+					"not_equals",
+					"greater_than",
+					"greater_than_equal",
+					"less_than",
+					"less_than_equal",
+					"not_in"
+				]
+			}
+		]
+	}
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index fc0e2f4..1f4889a 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
 		"payload": "^1.0.9"
 	},
 	"devDependencies": {
-		"@matt-fidd/eslint-config": "^1.3.2",
+		"@matt-fidd/eslint-config": "^1.3.4",
 		"@types/express": "^4.17.13",
 		"@typescript-eslint/eslint-plugin": "^5.30.7",
 		"@typescript-eslint/parser": "^5.30.7",
diff --git a/yarn.lock b/yarn.lock
index 7b10a91..8bec2ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1576,10 +1576,10 @@
   resolved "https://registry.yarnpkg.com/@jsdevtools/ono/-/ono-7.1.3.tgz#9df03bbd7c696a5c58885c34aa06da41c8543796"
   integrity sha512-4JQNk+3mVzK3xh2rqd6RB4J46qUR19azEHBneZyTZM+c456qOrbbM/5xcR8huNCCcbVt7+UmizG6GuUvPvKUYg==
 
-"@matt-fidd/eslint-config@^1.3.2":
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/@matt-fidd/eslint-config/-/eslint-config-1.3.2.tgz#516da8e7f3756c5f87ff6527abe739c7a9d1207d"
-  integrity sha512-3X6r3XGkmbM77LK9g0Yp/3ISImcKrvUlskStf8091P01KYdpKK0MAC8h1NF3sS6Ou2cTY2yDTLM6cwqHoY5GAg==
+"@matt-fidd/eslint-config@^1.3.4":
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/@matt-fidd/eslint-config/-/eslint-config-1.3.4.tgz#ccc169c7bb625419dc276412c9b5762756e1c4c0"
+  integrity sha512-OfklRsm6Wy3VjTajBL0SDHsG7CttuAtwinfEVdinuIPfgwkKipDHDgFCzEQPkN+8FE5hJjEMQa3gGla3r5IxUg==
 
 "@nicolo-ribaudo/chokidar-2@2.1.8-no-fsevents.3":
   version "2.1.8-no-fsevents.3"