diff --git a/pyproject.toml b/pyproject.toml
index 977c45f..3b4878b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=7.2,<9.0",
+    "pytest>=7.2,<10.0",
     "ruff>=0.9",
     "pre-commit>=2.20,<5.0",
     "mypy>=1.0",
@@ -52,7 +52,7 @@ build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
-    "pytest>=7.2,<9.0",
+    "pytest>=7.2,<10.0",
     "ruff>=0.9",
     "pre-commit>=2.20,<5.0",
     "mypy>=1.0",