diff --git a/docker/Dockerfile b/docker/Dockerfile
index ad03168e6..36404a792 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -20,7 +20,7 @@ ARG UBUNTU_MIRROR
 ARG GITHUB_ARTIFACTORY=github.com
 ARG INSTALL_FLASHINFER_JIT_CACHE=0
 ARG FLASHINFER_VERSION=0.6.11.post1
-ARG MOONCAKE_VERSION=0.3.10.post2
+ARG MOONCAKE_VERSION=0.3.11.post1
 #if need other arg please add in MOONCAKE_COMPILE_ARG
 ARG MOONCAKE_COMPILE_ARG="-DUSE_HTTP=ON -DUSE_MNNVL=ON -DUSE_CUDA=ON -DWITH_EP=ON"
 
diff --git a/python/sglang/srt/elastic_ep/elastic_ep.py b/python/sglang/srt/elastic_ep/elastic_ep.py
index 0cf0ebd0c..16a854618 100644
--- a/python/sglang/srt/elastic_ep/elastic_ep.py
+++ b/python/sglang/srt/elastic_ep/elastic_ep.py
@@ -100,7 +100,7 @@ _PEER_STATE_POLL_INTERVAL_SEC = 0.01
 
 
 def _get_process_group_backend(process_group, device: str):
-    return process_group._get_backend(torch.device(device))
+    return process_group
 
 
 def _iter_live_parallel_groups() -> Iterator[parallel_state.GroupCoordinator]:
diff --git a/scripts/ci/cuda/ci_install_dependency.sh b/scripts/ci/cuda/ci_install_dependency.sh
index 5b83a5745..daad43e64 100755
--- a/scripts/ci/cuda/ci_install_dependency.sh
+++ b/scripts/ci/cuda/ci_install_dependency.sh
@@ -419,11 +419,11 @@ stabilize_flashinfer_jit_paths() {
 
 install_extra_deps() {
     if [ "$CU_MAJOR" = "13" ]; then
-        MOONCAKE_PKG="mooncake-transfer-engine-cuda13==0.3.10.post2"
+        MOONCAKE_PKG="mooncake-transfer-engine-cuda13==0.3.11.post1"
         MOONCAKE_STALE_PKG="mooncake-transfer-engine"
         EXTRA_NVIDIA_SPECS="nvidia-cuda-nvrtc"
     else
-        MOONCAKE_PKG="mooncake-transfer-engine==0.3.10.post2"
+        MOONCAKE_PKG="mooncake-transfer-engine==0.3.11.post1"
         MOONCAKE_STALE_PKG="mooncake-transfer-engine-cuda13"
         EXTRA_NVIDIA_SPECS="nvidia-cuda-nvrtc-cu12"
     fi