diff --git a/pyproject.toml b/pyproject.toml
index 419712d7..9ace905d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ easyScienceCore = '>=0.2.0'
 easyCrystallography = '>=0.1.0'
 
 [tool.poetry.dev-dependencies]
-pytest = "^5.2"
+pytest = "^7.1"
 toml = "^0.10"
 requests = '^2.24'
 py3Dmol = "^1.7.0"