diff --git a/package.json b/package.json
index 28c50d0..97fd90d 100644
--- a/package.json
+++ b/package.json
@@ -63,9 +63,9 @@
     "dequal": "^2.0.3"
   },
   "devDependencies": {
-    "c8": "^10.1.3",
+    "c8": "^11.0.0",
     "eslint": "^9.17.0",
     "neostandard": "^0.12.0",
-    "tsd": "^0.32.0"
+    "tsd": "^0.33.0"
   }
 }
diff --git a/test/get-deref-schema.test.js b/test/get-deref-schema.test.js
index d7253d6..9ad2309 100644
--- a/test/get-deref-schema.test.js
+++ b/test/get-deref-schema.test.js
@@ -196,7 +196,7 @@ test('should resolve schema with circular reference', () => {
       }
     }
   }
-  expectedSchema.properties.foo.properties.foo = expectedSchema.properties.foo
+  expectedSchema.properties.foo.properties = expectedSchema.properties
   assert.deepStrictEqual(derefSchema, expectedSchema)
 })
 
@@ -243,7 +243,8 @@ test('should resolve schema with cross circular reference', () => {
       }
     }
   }
-  expectedSchema1.properties.foo.properties.bar.properties.foo = expectedSchema1.properties.foo
+  expectedSchema1.properties.foo.properties.bar.properties =
+  expectedSchema1.properties
 
   const expectedSchema2 = {
     $id: schemaId2,
@@ -260,8 +261,7 @@ test('should resolve schema with cross circular reference', () => {
       }
     }
   }
-  expectedSchema2.properties.bar.properties.foo.properties.bar = expectedSchema2.properties.bar
-
+  expectedSchema2.properties.bar.properties.foo.properties = expectedSchema2.properties
   assert.deepStrictEqual(derefSchema1, expectedSchema1)
   assert.deepStrictEqual(derefSchema2, expectedSchema2)
 })