diff --git a/pyproject.toml b/pyproject.toml
index bc22ea4bd1..1ce4d181f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
     "posthog>=3.7.0",
     "playwright>=1.51.0",
     "markdownify==1.1.0",
-    "langchain-core==0.3.49",
+    "langchain-core==0.3.81",
     "langchain-openai==0.3.11",
     "langchain-anthropic==0.3.3",
     "langchain-ollama==0.3.0",