diff --git a/pyproject.toml b/pyproject.toml
index c389e8b..f727f74 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,7 @@ dev-pytest = [
   "pytest-mock == 3.14.1",
   "pytest-asyncio == 1.1.0",
   "async-solipsism == 0.8",
-  "hypothesis == 6.136.6",
+  "hypothesis == 6.138.13",
   "frequenz-quantities[marshmallow]",
 ]