diff --git a/BUILD.bazel b/BUILD.bazel
index 5231327..865fc34 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -29,7 +29,7 @@
         "$(locations @antlr4_deps_antlr4_tools//:rules_python_wheel_entry_point_antlr4) -v ",
         ANTLR4_VERSION,
         " -o $(RULEDIR) -Dlanguage=Cpp -package fuzzyc_cc_module $(SRCS);",
-        "find $(RULEDIR) \\( -name *.cpp -o -name *.h \\) -exec cp -n {} $(RULEDIR) \\;",
+        "find $(RULEDIR) \\( -name *.cpp -o -name *.h \\) -exec cp --update=none {} $(RULEDIR) \\;",
     ]),
     local = True,
     tools = [
@@ -60,7 +60,7 @@
         "$(locations @antlr4_deps_antlr4_tools//:rules_python_wheel_entry_point_antlr4) -v ",
         ANTLR4_VERSION,
         " -o $(RULEDIR) -Dlanguage=Cpp -package fuzzyc_cc_function $(SRCS);",
-        "find $(RULEDIR) \\( -name *.cpp -o -name *.h \\) -exec cp -n {} $(RULEDIR) \\;",
+        "find $(RULEDIR) \\( -name *.cpp -o -name *.h \\) -exec cp --update=none {} $(RULEDIR) \\;",
     ]),
     local = True,
     tools = [