diff --git a/backend/requirements.txt b/backend/requirements.txt
index 914bbf19d..594d2f50b 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -12,7 +12,7 @@ google_auth_oauthlib==1.2.2
 google-cloud-core==2.4.3
 json-repair==0.39.1
 pip-install==1.3.5
-langchain==0.3.25
+langchain==0.3.26
 langchain-aws==0.2.25
 langchain-anthropic==0.3.15
 langchain-fireworks==0.3.0