diff --git a/llama4guard_vllm_requirements.txt b/llama4guard_vllm_requirements.txt
index 436d96c..526979e 100644
--- a/llama4guard_vllm_requirements.txt
+++ b/llama4guard_vllm_requirements.txt
@@ -210,7 +210,7 @@ unified-io==0.1.2
 urllib3==2.6.3
 uvicorn==0.40.0
 uvloop==0.22.1
-vllm==0.15.0
+vllm==0.20.0
 watchfiles==1.1.1
 wcwidth==0.5.3
 websockets==16.0