diff --git a/MODULE.bazel b/MODULE.bazel
new file mode 100644
index 0000000..c87a265
--- /dev/null
+++ b/MODULE.bazel
@@ -0,0 +1,41 @@
+module(
+    name = "proto-converter",
+    repo_name = "proto_converter",
+)
+
+bazel_dep(
+    name = "abseil-cpp",
+    version = "20210324.2",
+    repo_name = "com_google_absl",
+)
+bazel_dep(
+    name = "bazel_skylib",
+    version = "1.3.0",
+)
+bazel_dep(
+    name = "googletest",
+    version = "1.13.0",
+    repo_name = "com_google_googletest",
+)
+bazel_dep(
+    name = "platforms",
+    version = "0.0.9",
+)
+bazel_dep(
+    name = "protobuf",
+    version = "21.7",
+    repo_name = "com_google_protobuf",
+)
+bazel_dep(
+    name = "rules_cc",
+    version = "0.0.9",
+)
+bazel_dep(
+    name = "rules_pkg",
+    version = "0.7.0",
+)
+bazel_dep(
+    name = "rules_proto",
+    version = "5.3.0-21.7",
+)
+# -- bazel_dep definitions -- #
diff --git a/WORKSPACE b/WORKSPACE
index 78ef765..a9b3fb0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -18,7 +18,7 @@ googletest_deps()
 http_archive(
     name = "com_google_protobuf",
     sha256 = "aa61db6ff113a1c76eac9408144c6e996c5e2d6b2410818fd7f1b0d222a50bf8",
-    strip_prefix = "protobuf-315ffb5be89460f2857387d20aefc59b76b8bdc3", # 5.31.2023
+    strip_prefix = "protobuf-315ffb5be89460f2857387d20aefc59b76b8bdc3",  # 5.31.2023
     urls = ["https://github.com/protocolbuffers/protobuf/archive/315ffb5be89460f2857387d20aefc59b76b8bdc3.tar.gz"],
 )
 
@@ -35,4 +35,3 @@ http_archive(
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
 
 protobuf_deps()
-
diff --git a/WORKSPACE.bzlmod b/WORKSPACE.bzlmod
new file mode 100644
index 0000000..e69de29
diff --git a/src/google/protobuf/stubs/BUILD.bazel b/src/google/protobuf/stubs/BUILD.bazel
index a7b8c82..238b05b 100644
--- a/src/google/protobuf/stubs/BUILD.bazel
+++ b/src/google/protobuf/stubs/BUILD.bazel
@@ -20,7 +20,7 @@ load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
 load("//build_defs:cpp_opts.bzl", "COPTS", "LINK_OPTS")
 
 package(
-     default_visibility = ["//:__subpackages__"],
+    default_visibility = ["//:__subpackages__"],
 )
 
 cc_library(