diff --git a/pyproject.toml b/pyproject.toml
index d2f5756..59b9c00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -83,7 +83,7 @@ dev-pytest = [
   "pytest == 8.3.5",
   "frequenz-repo-config[extra-lint-examples] == 0.13.4",
   "pytest-mock == 3.14.1",
-  "pytest-asyncio == 0.26.0",
+  "pytest-asyncio == 1.0.0",
   "async-solipsism == 0.7",
 ]
 dev = [