diff --git a/meshing/packages/magix3d/package.py b/meshing/packages/magix3d/package.py
index 3c0cea0..170e819 100644
--- a/meshing/packages/magix3d/package.py
+++ b/meshing/packages/magix3d/package.py
@@ -42,6 +42,7 @@ class Magix3d(CMakePackage):
     depends_on('glib', type=('build', 'link'))
     depends_on('pcre', type=('build', 'link'))
     depends_on('opencascade@7.1.0+foundationclasses+dataexchange', type=('build', 'link'))
+    depends_on('tetgen@1.6.0', when='+triton2')
     depends_on('smooth3d +shared', type=('build', 'link'), when='+smooth3d')
     depends_on('swig', type='build')
     depends_on('mesquite')