diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c72fa6c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "subprojects/libcall-ui"]
+	path = subprojects/libcall-ui
+	url = https://gitlab.gnome.org/World/Phosh/libcall-ui.git
diff --git a/meson.build b/meson.build
index 9c7d402..16c0973 100644
--- a/meson.build
+++ b/meson.build
@@ -48,6 +48,10 @@ full_calls_plugin_libdir = join_paths(prefix, libdir, calls_name, 'plugins')
 # Path to plugins inside the build dir, used for testing
 full_calls_plugin_builddir = join_paths(builddir, 'plugins')
 
+libcall_ui_dep = dependency('call-ui',
+  fallback:  ['libcall-ui', 'libcall_ui_dep'],
+)
+
 config_data = configuration_data()
 config_data.set_quoted('APP_ID', calls_id)
 config_data.set_quoted('APP_DATA_NAME', calls_name)
diff --git a/subprojects/libcall-ui b/subprojects/libcall-ui
new file mode 160000
index 0000000..6e2c2cc
--- /dev/null
+++ b/subprojects/libcall-ui
@@ -0,0 +1 @@
+Subproject commit 6e2c2cc4cea11726ee2c0e7785932566db85ae17