diff --git a/python/pyproject.toml b/python/pyproject.toml
index f0d63f9f4..56d2cc547 100755
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -26,8 +26,8 @@ dependencies = [
   "datasets",
   "einops",
   "fastapi",
-  "flashinfer_python==0.5.0",
-  "flashinfer_cubin==0.5.0",
+  "flashinfer_python==0.5.2",
+  "flashinfer_cubin==0.5.2",
   "gguf",
   "hf_transfer",
   "huggingface_hub",
diff --git a/python/sglang/srt/entrypoints/engine.py b/python/sglang/srt/entrypoints/engine.py
index 57fde5116..b2e057b62 100644
--- a/python/sglang/srt/entrypoints/engine.py
+++ b/python/sglang/srt/entrypoints/engine.py
@@ -725,7 +725,7 @@ def _set_envs_and_config(server_args: ServerArgs):
     if server_args.attention_backend == "flashinfer":
         assert_pkg_version(
             "flashinfer_python",
-            "0.5.0",
+            "0.5.2",
             "Please uninstall the old version and "
             "reinstall the latest version by following the instructions "
             "at https://docs.flashinfer.ai/installation.html.",