diff --git a/pyproject.toml b/pyproject.toml
index 385c3a3..f8df75a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ Issues = "https://github.com/gauthierpiarrette/mcpplay/issues"
 [dependency-groups]
 dev = [
     "pytest>=8.0",
-    "pytest-asyncio>=0.23,<1",
+    "pytest-asyncio>=0.23,<2",
     "pytest-mock>=3.12",
     "httpx>=0.27",
     "ruff>=0.4",