diff --git a/compatibility_matrices/finalize.py b/compatibility_matrices/finalize.py
new file mode 100755
index 0000000..ae048ea
--- /dev/null
+++ b/compatibility_matrices/finalize.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2025 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+"""
+Finalizes the current compatibility matrix and allows `next` targets to
+use the new FCM.
+"""
+
+import argparse
+import os
+import pathlib
+import re
+import subprocess
+import textwrap
+
+
+def check_call(*args, **kwargs):
+    print(args)
+    subprocess.check_call(*args, **kwargs)
+
+def check_output(*args, **kwargs):
+    print(args)
+    return subprocess.check_output(*args, **kwargs)
+
+class Bump(object):
+
+    def __init__(self, cmdline_args):
+        self.top = pathlib.Path(os.environ["ANDROID_BUILD_TOP"])
+        self.interfaces_dir = self.top / "hardware/interfaces"
+
+        self.current_level = cmdline_args.current_level
+        self.current_module_name = f"framework_compatibility_matrix.{self.current_level}.xml"
+        self.device_module_name = "framework_compatibility_matrix.device.xml"
+
+    def run(self):
+        self.edit_android_bp()
+
+    def edit_android_bp(self):
+        android_bp = self.interfaces_dir / "compatibility_matrices/Android.bp"
+
+        # update the SYSTEM_MATRIX_DEPS variable to unconditionally include the
+        # latests FCM. This adds the file to `next` configs so releasing devices
+        # can use the latest interfaces.
+        lines = []
+        with open(android_bp) as f:
+            for line in f:
+              if f"    \"{self.device_module_name}\",\n" in line:
+                  lines.append(f"    \"{self.current_module_name}\",\n")
+
+              lines.append(line)
+
+        with open(android_bp, "w") as f:
+            f.write("".join(lines))
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("current_level",
+                        type=str,
+                        help="VINTF level of the current version (e.g. 202404)")
+    cmdline_args = parser.parse_args()
+
+    Bump(cmdline_args).run()
+
+
+if __name__ == "__main__":
+    main()