diff --git a/phosphor-power-sequencer/src/meson.build b/phosphor-power-sequencer/src/meson.build
index 3d1c8d0..de691c9 100644
--- a/phosphor-power-sequencer/src/meson.build
+++ b/phosphor-power-sequencer/src/meson.build
@@ -9,6 +9,8 @@
     'power_control.cpp',
     'power_interface.cpp',
     'power_sequencer_monitor.cpp',
+    'ucd90x_monitor.cpp',
+    'ucd90160_monitor.cpp',
     'ucd90320_monitor.cpp',
     dependencies: [
         libgpiodcxx,