diff --git a/MODULE.bazel b/MODULE.bazel
index f1d4a8646..784af5892 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -46,8 +46,8 @@ pip.parse(
 use_repo(pip, "docs_as_code_hub_env")
 
 # Additional Python rules provided by aspect, e.g. an improved version of
-bazel_dep(name = "aspect_rules_py", version = "1.4.0")
-bazel_dep(name = "buildifier_prebuilt", version = "8.2.0.2")
+bazel_dep(name = "aspect_rules_py", version = "1.4.0", dev_dependency = True)
+bazel_dep(name = "buildifier_prebuilt", version = "8.2.0.2", dev_dependency = True)
 
 # PlantUML for docs
 bazel_dep(name = "rules_java", version = "8.15.1")