diff --git a/integrations/pyproject.toml b/integrations/pyproject.toml
index 8a968e57..679a1cab 100644
--- a/integrations/pyproject.toml
+++ b/integrations/pyproject.toml
@@ -6,7 +6,7 @@ requires-python = ">=3.11"
 dependencies = [
     # Audit F-11: cap at the current major — a future breaking client
     # release must not satisfy this range and produce an incompatible pair.
-    "agentflow-client>=1.0.1,<2",
+    "agentflow-client>=1.0.1,<3",
     # See agentflow-runtime pyproject.toml for vulnerability rationale on
     # langchain-core / langchain-text-splitters / langsmith floors.
     "langchain>=0.3.30,<2",