diff --git a/llama4guard_vllm_requirements.txt b/llama4guard_vllm_requirements.txt
index 436d96c..66c10ee 100644
--- a/llama4guard_vllm_requirements.txt
+++ b/llama4guard_vllm_requirements.txt
@@ -13,7 +13,7 @@ asttokens==3.0.1
 attrs==25.4.0
 blake3==1.0.8
 cachetools==7.0.0
-cbor2==5.8.0
+cbor2==5.9.0
 certifi==2026.1.4
 cffi==2.0.0
 chardet==5.2.0