diff --git a/uv.lock b/uv.lock
index 9f811e8..f5dc216 100644
--- a/uv.lock
+++ b/uv.lock
@@ -533,7 +533,7 @@ requires-dist = [
     { name = "json-repair", specifier = ">=0.7.0" },
     { name = "langchain", specifier = ">=1.0.0" },
     { name = "langchain-community", specifier = ">=0.3.19" },
-    { name = "langchain-core", specifier = ">=0.3.72" },
+    { name = "langchain-core", specifier = ">=1.0.0" },
     { name = "langchain-deepseek", specifier = ">=0.1.3" },
     { name = "langchain-experimental", specifier = ">=0.3.4" },
     { name = "langchain-google-genai", specifier = ">=2.0.6" },