diff --git a/pyproject.toml b/pyproject.toml
index 429827f..e2f203d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ anthropic = "^0.18.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.0"
-pytest-asyncio = "^0.21.0"
+pytest-asyncio = "^0.26.0"
 pytest-cov = "^4.1.0"
 black = "^24.0.0"
 ruff = "^0.1.0"