diff --git a/tools/requirements-llm.txt b/tools/requirements-llm.txt
index 17b7feb5..2a49e820 100644
--- a/tools/requirements-llm.txt
+++ b/tools/requirements-llm.txt
@@ -5,10 +5,10 @@
 #   workflow automation can upgrade independently; no consumer dependency
 #   change is required when bumping this file.
 # - Use strict X.Y.Z pins to keep workflow installs reproducible.
-langchain==1.2.10
-langchain-core==1.2.16
+langchain==1.2.13
+langchain-core==1.2.20
 langchain-community==0.4.1
-langchain-openai==1.1.10
-langchain-anthropic==1.3.4
+langchain-openai==1.1.11
+langchain-anthropic==1.4.0
 pydantic==2.12.5
 requests==2.32.5