diff --git a/docker/Dockerfile.ci b/docker/Dockerfile.ci
index d2982fedb..500e963b3 100644
--- a/docker/Dockerfile.ci
+++ b/docker/Dockerfile.ci
@@ -1,5 +1,5 @@
 ARG VLLM_BASE_IMAGE=vllm/vllm-openai
-ARG VLLM_BASE_TAG=v0.16.0
+ARG VLLM_BASE_TAG=v0.15.0
 FROM ${VLLM_BASE_IMAGE}:${VLLM_BASE_TAG}
 ARG APP_DIR=/workspace/vllm-omni
 WORKDIR ${APP_DIR}