diff --git a/docker/Dockerfile b/docker/Dockerfile
index dd903aeb0969..61574d574f42 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,7 +13,7 @@ ARG PIP_DEFAULT_INDEX
 ARG UBUNTU_MIRROR
 ARG GITHUB_ARTIFACTORY=github.com
 ARG INSTALL_FLASHINFER_JIT_CACHE=0
-ARG FLASHINFER_VERSION=0.6.15.post1
+ARG FLASHINFER_VERSION=0.6.16.post4
 ARG TRTLLM_GEN_MOE_CUBIN_URL="https://github.com/sgl-project/whl/releases/download/trtllm_gen_moe_cubin_20260617/trtllm_gen_moe_cubin_pool_20260617_v0613rc1.zip"
 ARG TRTLLM_GEN_MOE_CUBIN_SHA256="4900501cbe782a76b08a5858f9f07152287b97cb68114466dac286366b66c192"
 ARG TRTLLM_GEN_MOE_CUBIN_ARCHIVE_ROOT="trtllm_gen_moe_cubin_pool_20260617_v0613rc1"
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 1c7f8d45ecc0..4933a18d823f 100755
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
   "einops",
   "fastapi",
   "flash-attn-4>=4.0.0b18",
-  "flashinfer_python[cu13]==0.6.15.post1", # keep it aligned with jit-cache version in Dockerfile
+  "flashinfer_python[cu13]==0.6.16.post4", # keep it aligned with jit-cache version in Dockerfile
   "gguf",
   "humming-kernels[cu13]==0.1.10",
   "interegular",
diff --git a/python/sglang/srt/entrypoints/engine.py b/python/sglang/srt/entrypoints/engine.py
index 9a83da8a1c0e..87f32c636d9c 100644
--- a/python/sglang/srt/entrypoints/engine.py
+++ b/python/sglang/srt/entrypoints/engine.py
@@ -1653,7 +1653,7 @@ def _set_envs_and_config(server_args: ServerArgs):
         if server_args.attention_backend == "flashinfer":
             assert_pkg_version(
                 "flashinfer_python",
-                "0.6.15.post1",
+                "0.6.16.post4",
                 "Please uninstall the old version and "
                 "reinstall the latest version by following the instructions "
                 "at https://docs.flashinfer.ai/installation.html.",
diff --git a/python/sglang/srt/layers/attention/flashinfer_backend.py b/python/sglang/srt/layers/attention/flashinfer_backend.py
index 34c14f21f66e..28b0d2205221 100644
--- a/python/sglang/srt/layers/attention/flashinfer_backend.py
+++ b/python/sglang/srt/layers/attention/flashinfer_backend.py
@@ -281,6 +281,7 @@ def fast_prefill_plan(
         fixed_split_size if fixed_split_size is not None else -1,
         False,  # disable_split_kv
         0,  # num_colocated_ctas
+        0,  # uniform_q_len
     ]
     self._plan_info = self._cached_module.plan(*args)
 
diff --git a/python/sglang/srt/utils/common.py b/python/sglang/srt/utils/common.py
index 749a7e96a649..fac398c6cc1c 100644
--- a/python/sglang/srt/utils/common.py
+++ b/python/sglang/srt/utils/common.py
@@ -1999,7 +1999,7 @@ def check_pkg_version_at_least(pkg: str, min_version: str) -> bool:
 
     Args:
         pkg: Package name (distribution name, e.g., "flashinfer-python")
-        min_version: Minimum version required (e.g., "0.6.15.post1")
+        min_version: Minimum version required (e.g., "0.6.16.post4")
 
     Returns:
         True if package is installed and version >= min_version, False otherwise