diff --git a/python/pyproject.toml b/python/pyproject.toml
index ca3caf484..930c61cc3 100755
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -130,6 +130,8 @@ sglang = "sglang.cli.main:main"
   "srt/layers/moe/fused_moe_triton/configs/*/*.json",
   "srt/layers/quantization/configs/*.json",
   "srt/mem_cache/storage/hf3fs/hf3fs_utils.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.h",
   "srt/speculative/cpp_ngram/*.cpp",
   "srt/speculative/cpp_ngram/*.h",
   "jit_kernel/include/sgl_kernel/*.h",
diff --git a/python/pyproject_cpu.toml b/python/pyproject_cpu.toml
index 257ac35ed..ed542a8a6 100644
--- a/python/pyproject_cpu.toml
+++ b/python/pyproject_cpu.toml
@@ -98,6 +98,8 @@ dev = ["sglang[test]"]
   "srt/layers/moe/fused_moe_triton/configs/*/*.json",
   "srt/layers/quantization/configs/*.json",
   "srt/mem_cache/storage/hf3fs/hf3fs_utils.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.h",
   "srt/speculative/cpp_ngram/*.cpp",
   "srt/speculative/cpp_ngram/*.h",
   "jit_kernel/include/sgl_kernel/*.h",
diff --git a/python/pyproject_other.toml b/python/pyproject_other.toml
index 55007a25e..dcf88b103 100755
--- a/python/pyproject_other.toml
+++ b/python/pyproject_other.toml
@@ -120,6 +120,8 @@ dev_hpu = ["sglang[all_hpu]", "sglang[test]"]
   "srt/layers/moe/fused_moe_triton/configs/*/*.json",
   "srt/layers/quantization/configs/*.json",
   "srt/mem_cache/storage/hf3fs/hf3fs_utils.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.h",
   "srt/speculative/cpp_ngram/*.cpp",
   "srt/speculative/cpp_ngram/*.h",
   "jit_kernel/include/sgl_kernel/*.h",
diff --git a/python/pyproject_xpu.toml b/python/pyproject_xpu.toml
index 3e88356dc..32d9c9dc0 100644
--- a/python/pyproject_xpu.toml
+++ b/python/pyproject_xpu.toml
@@ -102,6 +102,8 @@ dev = ["sglang[test]"]
   "srt/layers/moe/fused_moe_triton/configs/*/*.json",
   "srt/layers/quantization/configs/*.json",
   "srt/mem_cache/storage/hf3fs/hf3fs_utils.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.cpp",
+  "srt/mem_cache/cpp_radix_tree/*.h",
   "srt/speculative/cpp_ngram/*.cpp",
   "srt/speculative/cpp_ngram/*.h",
   "jit_kernel/include/sgl_kernel/*.h",