diff --git a/pyproject.toml b/pyproject.toml
index 040babe67..17b8b44c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -88,7 +88,7 @@ dev = [
     "moto>=5.1.0,<6.0.0",
     "mypy>=1.15.0,<2.0.0",
     "pre-commit>=3.2.0,<4.6.0",
-    "pytest>=8.0.0,<9.0.0",
+    "pytest>=8.0.0,<10.0.0",
     "pytest-cov>=7.0.0,<8.0.0",
     "pytest-asyncio>=1.0.0,<1.4.0",
     "pytest-xdist>=3.0.0,<4.0.0",
@@ -142,7 +142,7 @@ installer = "uv"
 features = ["all"]
 extra-args = ["-n", "auto", "-vv"]
 dependencies = [
-    "pytest>=8.0.0,<9.0.0",
+    "pytest>=8.0.0,<10.0.0",
     "pytest-cov>=7.0.0,<8.0.0",
     "pytest-asyncio>=1.0.0,<1.4.0",
     "pytest-xdist>=3.0.0,<4.0.0",