diff --git a/pyproject.toml b/pyproject.toml
index 0e2ed85..8047ed1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -109,7 +109,7 @@ optional-dependencies.release = [
 ]
 optional-dependencies.test = [
   "coverage<8",
-  "pytest<9",
+  "pytest<10",
   "pytest-asyncio",
   "pytest-mqtt",
   "pytest-repeat",