diff --git a/requirements.txt b/requirements.txt
index d1bf339..de0dd39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # Core dependencies - pinned to specific versions for fast, reliable installs
 pydantic==2.13.4
 langchain-core==0.3.26
-langchain==0.3.13
+langchain==0.3.30
 langchain-openai==0.2.10
 langchain-anthropic==0.3.0
 langchain-google-genai==2.0.5
diff --git a/setup.py b/setup.py
index 032644b..db472b1 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     install_requires=[
         "pydantic==2.13.4",
         "langchain-core==0.3.26",
-        "langchain==0.3.13",
+        "langchain==0.3.30",
         "langchain-openai==0.2.10",
         "langchain-anthropic==0.3.0",
         "langchain-google-genai==2.0.5",