diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e78ce653..34970831 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -99,8 +99,9 @@ jobs:
             freeglut \
             libpng \
             meson \
-            ninja
-          brew install --cask xquartz
+            ninja \
+            fltk
+          # brew install --cask xquartz
           cd /opt/homebrew/opt/llvm/bin
           #ln -s clang++ clang++-19
           PATH=/opt/homebrew/opt/llvm/bin:$PATH