diff --git a/pyproject.toml b/pyproject.toml
index 20de027c..fec05445 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ sphinx-copybutton = { version = "^0.4", optional = true }
 sphinxcontrib-mermaid = { version = "^0.7", optional = true }
 
 # extras tests
-pytest = {version = "^7", optional = true }
+pytest = {version = "^8.0.0", optional = true }
 coverage = { version ="^7", optional = true }
 flake8 = { version = "^3", optional = true }