diff --git a/requirements.txt b/requirements.txt
index eeb6935..3145a5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,14 @@
-langchain-core>=0.3.66
+langchain-core>=1.2.28
 langchain>=1.0.0
 langgraph>=1.0.0
-langsmith>=0.3.0
-langchain-openai>=0.3.0
+langsmith>=0.7.31
+langchain-openai>=1.1.14
 langgraph-cli[inmem]>=0.2.0
 deepagents>=0.3.0
 python-dotenv>=1.0.0
 requests>=2.31.0
-langgraph-api>=0.7.0
\ No newline at end of file
+langgraph-api>=0.7.0
+# Security pins for transitive dependencies (GHSA-p423-j2cm-9vmq, GHSA-m959-cc7f-wv43,
+# GHSA-w828-4qhx-vxx3, GHSA-q5f5-3gjm-7mfm). Remove once parent packages pin patched floors.
+cryptography>=46.0.7
+anthropic>=0.87.0
\ No newline at end of file