diff --git a/code/deps/CMakeLists.txt b/code/deps/CMakeLists.txt
index 025c852..2f3a39c 100644
--- a/code/deps/CMakeLists.txt
+++ b/code/deps/CMakeLists.txt
@@ -5,9 +5,10 @@
 #
 # Which deps are extracted depends on the active build mode:
 #
-#   (default)      Eigen only          → tests-only build
-#   WITH_VIEWER=ON + Eigen, libigl, libigl-glad, glfw
-#   WITH_CGAL=ON   + Eigen, CGAL       (WITH_VIEWER is implied by WITH_CGAL)
+#   (default)           Eigen only
+#   WITH_CGAL_TESTS=ON  + Eigen, CGAL           (headless CI — no viewer)
+#   WITH_VIEWER=ON      + Eigen, libigl, libigl-glad, glfw
+#   WITH_CGAL=ON        + Eigen, CGAL, libigl, libigl-glad, glfw
 #
 
 function(setup_dependency NAME SUBDIR)
@@ -51,6 +52,7 @@ if(WITH_VIEWER)
 endif()
 
 # ── CGAL mode ─────────────────────────────────────────────────────────────────
-if(WITH_CGAL)
+# Both WITH_CGAL_TESTS (headless CI) and WITH_CGAL (full build) need CGAL headers.
+if(WITH_CGAL OR WITH_CGAL_TESTS)
     setup_dependency("CGAL-6.1.1" "include")
 endif()