diff --git a/gen/xyz/openbmc_project/Control/TPM/meson.build b/gen/xyz/openbmc_project/Control/TPM/meson.build
index 5761da8..5522371 100644
--- a/gen/xyz/openbmc_project/Control/TPM/meson.build
+++ b/gen/xyz/openbmc_project/Control/TPM/meson.build
@@ -4,6 +4,7 @@
     'xyz/openbmc_project/Control/TPM/Policy__markdown'.underscorify(),
     input: [ '../../../../../yaml/xyz/openbmc_project/Control/TPM/Policy.interface.yaml',  ],
     output: [ 'Policy.md' ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),