diff --git a/docker/Dockerfile.ubuntu b/docker/Dockerfile.ubuntu
index 79d2e80e..e69268b3 100644
--- a/docker/Dockerfile.ubuntu
+++ b/docker/Dockerfile.ubuntu
@@ -76,7 +76,7 @@ RUN bash /tmp/install.sh {version_args} && \
 
 
 RUN if [ "$IMAGE_TYPE" = "swift" ]; then \
-    pip install "sglang[all]<0.6" math_verify "gradio<5.33" "deepspeed<0.18" -U && \
+    pip install "sglang<0.6" math_verify "gradio<5.33" "deepspeed<0.18" ray -U && \
     pip install liger_kernel wandb swanlab nvitop pre-commit "transformers<4.58" "trl<0.24" "peft<0.18" huggingface-hub -U && \
     pip install --no-build-isolation transformer_engine[pytorch]; \
     cd /tmp && GIT_LFS_SKIP_SMUDGE=1 git clone https://github.com/NVIDIA/apex && \