diff --git a/libs/langcrew-tools/pyproject.toml b/libs/langcrew-tools/pyproject.toml
index faa459e0..90bd8232 100644
--- a/libs/langcrew-tools/pyproject.toml
+++ b/libs/langcrew-tools/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "pydantic>=2.7.4",
     # LangChain framework and components
     "langchain>=0.3.27",
-    "langchain-core>=0.3.72",
+    "langchain-core>=0.3.81",
     "langchain-text-splitters>=0.3.9",
     "langcrew>=0.1.0",
     "langgraph>=0.6.0",
diff --git a/libs/langcrew/pyproject.toml b/libs/langcrew/pyproject.toml
index 192f6c04..5b616b73 100644
--- a/libs/langcrew/pyproject.toml
+++ b/libs/langcrew/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "python-dotenv>=1.0.0",
     # LangChain framework and integrations
     "langchain>=0.1.0",
-    "langchain-core>=0.3.72",
+    "langchain-core>=0.3.81",
     "langchain-anthropic>=0.1.0",
     "langchain-openai>=0.2.1",
     "langchain-community>=0.3.24",