diff --git a/packages/eslint-config-typescript-react/index.js b/packages/eslint-config-typescript-react/index.js
index f8d7da8..3028875 100644
--- a/packages/eslint-config-typescript-react/index.js
+++ b/packages/eslint-config-typescript-react/index.js
@@ -25,6 +25,15 @@ module.exports = {
         leadingUnderscore: 'forbid',
         trailingUnderscore: 'forbid',
       },
+      {
+        selector: 'property',
+        format: ['strictCamelCase'],
+        leadingUnderscore: 'allow',
+        filter: {
+          regex: '^--',
+          match: false
+        }
+      },
     ],
   },
 };
diff --git a/packages/eslint-config-typescript/index.js b/packages/eslint-config-typescript/index.js
index 7fb62ac..4d5dc7f 100644
--- a/packages/eslint-config-typescript/index.js
+++ b/packages/eslint-config-typescript/index.js
@@ -51,6 +51,15 @@ module.exports = {
         leadingUnderscore: 'forbid',
         trailingUnderscore: 'forbid',
       },
+      {
+        selector: 'property',
+        format: ['strictCamelCase'],
+        leadingUnderscore: 'allow',
+        filter: {
+          regex: '^--',
+          match: false
+        }
+      },
     ],
     '@typescript-eslint/no-confusing-void-expression': 'error',
     '@typescript-eslint/no-magic-numbers': 'off',
diff --git a/packages/test-eslint-config-typescript/index.ts b/packages/test-eslint-config-typescript/index.ts
index 81da0c4..4b87b2d 100644
--- a/packages/test-eslint-config-typescript/index.ts
+++ b/packages/test-eslint-config-typescript/index.ts
@@ -55,3 +55,11 @@ sayCheese(undefined, 'Sandwich');
 function functionWithParameter(value: MyInterface): string {
   return value.a + value.b;
 }
+
+function twoDashProperty(): boolean {
+  const myObject = {
+    '--my-property': true,
+  }
+
+  return myObject['--my-property'];
+}
\ No newline at end of file