diff --git a/pyproject.toml b/pyproject.toml
index 4ec6919..0b2b5a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ dev-pytest = [
   "pylint == 4.0.5", # We need this to check for the examples
   "frequenz-repo-config[extra-lint-examples] == 0.17.0",
   "pytest-mock == 3.15.1",
-  "pytest-asyncio == 1.3.0",
+  "pytest-asyncio == 1.4.0",
   "async-solipsism == 0.9",
   "hypothesis == 6.151.9",
   "frequenz-quantities[marshmallow]",