diff --git a/pyproject.toml b/pyproject.toml
index 974ff9d..c7f119d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ dev = [
     "moto>=5.1.0,<6.0.0",
     "mypy>=1.15.0,<2.0.0",
     "pre-commit>=3.2.0,<4.2.0",
-    "pytest>=8.0.0,<9.0.0",
+    "pytest>=8.0.0,<10.0.0",
     "pytest-asyncio>=0.26.0,<0.27.0",
     "pytest-cov>=4.1.0,<5.0.0",
     "pytest-xdist>=3.0.0,<4.0.0",
@@ -106,7 +106,7 @@ all = [
     "moto>=5.1.0,<6.0.0",
     "mypy>=1.15.0,<2.0.0",
     "pre-commit>=3.2.0,<4.2.0",
-    "pytest>=8.0.0,<9.0.0",
+    "pytest>=8.0.0,<10.0.0",
     "pytest-asyncio>=0.26.0,<0.27.0",
     "pytest-cov>=4.1.0,<5.0.0",
     "pytest-xdist>=3.0.0,<4.0.0",
@@ -174,7 +174,7 @@ lint-fix = [
 features = ["anthropic", "litellm", "llamaapi", "ollama", "openai", "otel", "mistral", "writer", "a2a"]
 extra-dependencies = [
     "moto>=5.1.0,<6.0.0",
-    "pytest>=8.0.0,<9.0.0",
+    "pytest>=8.0.0,<10.0.0",
     "pytest-asyncio>=0.26.0,<0.27.0",
     "pytest-cov>=4.1.0,<5.0.0",
     "pytest-xdist>=3.0.0,<4.0.0",