diff --git a/pyproject.toml b/pyproject.toml
index 485030593..e366b5eca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "langchain-google-genai>=3.2.0",
     "langchain-anthropic>=0.3.12",
     "langchain-openrouter>=0.0.2",
-    "openrouter<0.8.0",
+    "openrouter<0.9.0",
     "langgraph>=0.6.1",
     "langgraph-checkpoint>=2.0.18",
     "langgraph-checkpoint-postgres>=2.0.16",