diff --git a/include/.gitkeep b/include/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..609b7be0538f1f3d63c6cf45f5a08a5042fdb78c
--- /dev/null
+++ b/include/.gitkeep
@@ -0,0 +1 @@
+# This file prevents CMake warnings, e.g., with catkin-based workflows.
\ No newline at end of file