diff --git a/pyproject.toml b/pyproject.toml
index 6fd4782a6..a2a610937 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dev = [
     "pytest-asyncio>=0.17,<0.22",
     "pytest-cov>=2.7.1,<4.1",
     "pytest-timeout>=1.3.3,<2.2",
-    "pytest-xdist>=2.1.0,<3.3",
+    "pytest-xdist>=2.1.0,<3.4",
     "pytest>=6.1.0,<8",
     "requests>=2.9.1,<3",
     "tox>=3.5,<5",