diff --git a/pyproject.toml b/pyproject.toml
index bce1708f..c07bba4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ influxdb = "5.2.1"
 
 [tool.poetry.dev-dependencies]
 asynctest = "0.12.2"
-pytest = "4.1.1"
+pytest = "5.1.1"
 pytest-asyncio = "0.10.0"
 pytest-cov = "2.6.1"
 pytest-mock = "1.10.0"