Fix CVE-2021-45958

Author: dotX12

pyproject.toml

@@ -19,11 +19,11 @@ Documentation = "https://waio.readthedocs.io/"
 [tool.poetry.dependencies]
 python = "^3.6"
 aiohttp = "^3.7.4.post0"
-ujson = "^4.2.0"
+ujson = "5.1.0"
 dataclass-factory = "^2.11"
 loguru = "^0.5.3"
 aioredis = "2.0.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0", "wheel>=0.36,<1.0", "poetry>=1.1,<2", "virtualenv==20.0.33"]
-build-backend = "poetry.core.masonry.api"
+build-backend = "poetry.core.masonry.api"