diff --git a/rviz_default_plugins/CMakeLists.txt b/rviz_default_plugins/CMakeLists.txt
index 78feddbda..03f704a56 100644
--- a/rviz_default_plugins/CMakeLists.txt
+++ b/rviz_default_plugins/CMakeLists.txt
@@ -6,6 +6,8 @@ project(rviz_default_plugins)
 set_property(GLOBAL PROPERTY JOB_POOLS link_job_pool=2)
 set(CMAKE_JOB_POOL_LINK link_job_pool)
 
+set(CMAKE_UNITY_BUILD ON)
+
 # Default to C++17
 if(NOT CMAKE_CXX_STANDARD)
   set(CMAKE_CXX_STANDARD 17)