diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e1d74b..be90131 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,6 +46,7 @@ install(
 install(
     FILES
     "share/xo-macros/gen-ccov.in"
+    "share/xo-macros/Doxyfile.in"
     PERMISSIONS OWNER_READ OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
     DESTINATION ${CMAKE_INSTALL_DATADIR}/xo-macros
 )