diff --git a/requirements-optional.txt b/requirements-optional.txt
index 272984e952..691c1365f2 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -2,6 +2,6 @@ matplotlib<3.10.10
 pillow>11,<12.2.1
 pyrevolve==2.2.8
 scipy>=1.8.0,<1.18.1
-distributed<2026.7.2
+distributed<2026.8.1
 click<9.0
 cloudpickle<3.1.3