diff --git a/src/test/tools/bzlmod/MODULE.bazel.lock b/src/test/tools/bzlmod/MODULE.bazel.lock
index ebae5b3c0fe838..f4c5f536aa794b 100644
--- a/src/test/tools/bzlmod/MODULE.bazel.lock
+++ b/src/test/tools/bzlmod/MODULE.bazel.lock
@@ -194,7 +194,7 @@
   "moduleExtensions": {
     "@@rules_kotlin+//src/main/starlark/core/repositories:bzlmod_setup.bzl%rules_kotlin_extensions": {
       "general": {
-        "bzlTransitiveDigest": "T1IzWIZU7/XXFctr++dow+vf3QIdfvDz/5qxfCIypeU=",
+        "bzlTransitiveDigest": "2zypjdbXw56LJ6fX9Dc8/8VjOQ4CLOx5MPOfrNpfO84=",
         "usagesDigest": "QI2z8ZUR+mqtbwsf2fLqYdJAkPOHdOV+tF2yVAUgRzw=",
         "recordedInputs": [
           "REPO_MAPPING:rules_kotlin+,bazel_tools bazel_tools"
@@ -251,7 +251,7 @@
     },
     "@@rules_python+//python/extensions:config.bzl%config": {
       "general": {
-        "bzlTransitiveDigest": "Kc1lLmXYa6ibVQVaGZUKt60ZIQeVi/84q29hxDF6VWI=",
+        "bzlTransitiveDigest": "xTQL2WwSnk5sODEM8aZ7ehfwglUBBCNKWIvS4z7M59w=",
         "usagesDigest": "ZVSXMAGpD+xzVNPuvF1IoLBkty7TROO0+akMapt1pAg=",
         "recordedInputs": [
           "REPO_MAPPING:rules_python+,bazel_tools bazel_tools",
@@ -419,7 +419,7 @@
     },
     "@@rules_python+//python/uv:uv.bzl%uv": {
       "general": {
-        "bzlTransitiveDigest": "zyNsrbgVKwpA0B3zI84imAfuC424VSzYNPgjr/HJy5M=",
+        "bzlTransitiveDigest": "ijW9KS7qsIY+yBVvJ+Nr1mzwQox09j13DnE3iIwaeTM=",
         "usagesDigest": "H8dQoNZcoqP+Mu0tHZTi4KHATzvNkM5ePuEqoQdklIU=",
         "recordedInputs": [
           "REPO_MAPPING:rules_python+,bazel_tools bazel_tools",
diff --git a/tools/build_defs/repo/utils.bzl b/tools/build_defs/repo/utils.bzl
index 39c8aa8347fca1..15ad8bec920c39 100644
--- a/tools/build_defs/repo/utils.bzl
+++ b/tools/build_defs/repo/utils.bzl
@@ -107,6 +107,8 @@ def download_remote_files(ctx, auth = None):
             auth = get_auth(ctx, remote_file_urls) if auth == None else auth,
             integrity = ctx.attr.remote_file_integrity.get(path, ""),
             block = False,
+            # Overlaid files may be shell scripts.
+            executable = True,
         )
         for path, remote_file_urls in ctx.attr.remote_file_urls.items()
     }