diff --git a/requirements.txt b/requirements.txt
index dd3a43c..b51f82f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ jsonpatch==1.33
 jsonpointer==3.0.0
 langchain==0.3.8
 langchain-community==0.3.8
-langchain-core==0.3.34
+langchain-core==0.3.43
 langchain-openai==0.2.9
 langchain-text-splitters==0.3.5
 langsmith==0.3.1