diff --git a/pyproject.toml b/pyproject.toml
index d956c2ac32e..3e8b30f2982 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
 
     # AI orchestration & model frameworks
     "deepagents==0.6.12",
-    "langchain==1.3.11",
+    "langchain==1.3.12",
     "langchain-anthropic==1.4.8",
     "langchain-aws==1.6.2",
     "langchain-core==1.4.8",