diff --git a/pyproject.toml b/pyproject.toml
index 057ede1..ade02cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ eagerx = "^0.1.40"
 
 [tool.poetry.dev-dependencies]
 black = "^22.1.0"
-pytest = "^7.0"
+pytest = "^8.3"
 pytest-cov = "^3.0.0"
 flake8 = ">=3"
 flake8-bugbear = "^22.3.23"