diff --git a/toolchains/native_tools/native_tools_toolchain.bzl b/toolchains/native_tools/native_tools_toolchain.bzl
index 4613b3ee..736d1ecd 100644
--- a/toolchains/native_tools/native_tools_toolchain.bzl
+++ b/toolchains/native_tools/native_tools_toolchain.bzl
@@ -86,6 +86,7 @@ native_tool_toolchain = rule(
                 "If the tool is built as part of the build, the corresponding build target, " +
                 "which should produce the tree artifact with the binary to call."
             ),
+            allow_files = True,
         ),
     },
     incompatible_use_toolchain_transition = True,