diff --git a/phosphor-regulators/test/meson.build b/phosphor-regulators/test/meson.build
index 8bf6a5c..511695a 100644
--- a/phosphor-regulators/test/meson.build
+++ b/phosphor-regulators/test/meson.build
@@ -20,6 +20,7 @@
     'rule_tests.cpp',
     'sensor_monitoring_tests.cpp',
     'system_tests.cpp',
+    'temporary_file_tests.cpp',
     'write_verification_error_tests.cpp',
 
     'actions/action_environment_tests.cpp',