diff --git a/pyproject.toml b/pyproject.toml
index e24bf60e..86120149 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,7 +94,7 @@ build = [
   "wheel",
 ]
 test = [
-  "pytest == 9.0.3",
+  "pytest == 9.1.1",
   "flake8",
   "pytest-cov",
   "surfaces",