diff --git a/.bazelversion b/.bazelversion
new file mode 100644
index 0000000..a8a1887
--- /dev/null
+++ b/.bazelversion
@@ -0,0 +1 @@
+7.1.2
diff --git a/.gitignore b/.gitignore
index ac51a05..6c564a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 bazel-*
+
+MODULE.bazel.lock
diff --git a/MODULE.bazel b/MODULE.bazel
new file mode 100644
index 0000000..724a096
--- /dev/null
+++ b/MODULE.bazel
@@ -0,0 +1,14 @@
+###############################################################################
+# Bazel now uses Bzlmod by default to manage external dependencies.
+# Please consider migrating your external dependencies from WORKSPACE to MODULE.bazel.
+#
+# For more details, please check https://github.com/bazelbuild/bazel/issues/18958
+###############################################################################
+
+module(
+  name = 'simplest-ot',
+  version = '0.0.1',
+  compatibility_level = 1,
+)
+
+bazel_dep(name = 'rules_cc', version = '0.0.9')
diff --git a/WORKSPACE b/WORKSPACE
deleted file mode 100644
index e69de29..0000000
diff --git a/reformat-all.sh b/reformat-all.sh
deleted file mode 100755
index 9512518..0000000
--- a/reformat-all.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-
-find . -name '*.h' -o -name '*.c' | xargs clang-format -i 
-