diff --git a/libeos-updater-flatpak-installer/tests/meson.build b/libeos-updater-flatpak-installer/tests/meson.build
index f06639de..991cbeec 100644
--- a/libeos-updater-flatpak-installer/tests/meson.build
+++ b/libeos-updater-flatpak-installer/tests/meson.build
@@ -65,5 +65,6 @@ foreach test_name, extra_args : test_programs
     env: envs,
     suite: suite,
     timeout: extra_args.get('slow', false) ? 360 : 60,
+    protocol: 'tap',
   )
 endforeach
diff --git a/libeos-updater-util/tests/meson.build b/libeos-updater-util/tests/meson.build
index 74108b57..eeb58815 100644
--- a/libeos-updater-util/tests/meson.build
+++ b/libeos-updater-util/tests/meson.build
@@ -66,5 +66,5 @@ foreach test_name, extra_args : test_programs
   )
 
   suite = ['libeos-updater-util'] + extra_args.get('suite', [])
-  test(test_name, exe, env : envs, suite : suite)
+  test(test_name, exe, env : envs, suite : suite, protocol : 'tap')
 endforeach
diff --git a/tests/meson.build b/tests/meson.build
index c34d0526..c76d7707 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -115,6 +115,7 @@ foreach test_name, extra_args : test_programs
     suite: ['eos-updater'] + extra_args.get('suite', []),
     timeout: extra_args.get('slow', false) ? 600 : 60,
     is_parallel: extra_args.get('parallel', true),
+    protocol: 'tap',
   )
 endforeach
 
@@ -160,6 +161,7 @@ foreach test_name, extra_args : python_tests
       args: main,
       env: envs,
       suite: ['eos-updater'] + extra_args.get('suite', []),
+      protocol: 'tap',
     )
   endif
 endforeach