diff --git a/pyproject.toml b/pyproject.toml
index 4141faac8..5765688e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ dev = [
 # Versions auto-updated by scripts/update_langchain_versions.py
 langchain = [
     "langchain>=1.3.4,<1.4",
-    "langchain-core>=1.4.3,<1.5",
+    "langchain-core>=1.4.7,<1.5",
     "langchain-community>=0.4.2,<0.5",
     "langchain-openai>=1.3.0,<1.4",
     "langchain-anthropic>=1.4.4,<1.5",
diff --git a/requirements.txt b/requirements.txt
index aba3b5760..ec729e427 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ tomlkit==0.14.0
 
 # LangChain integration
 langchain==1.3.4
-langchain-core==1.4.3
+langchain-core==1.4.7
 langchain-community==0.4.2
 langchain-openai==1.3.0
 langchain-anthropic==1.4.4