diff --git a/build-config/meson.build b/build-config/meson.build
index d800bdd..f7f6466 100644
--- a/build-config/meson.build
+++ b/build-config/meson.build
@@ -3,4 +3,5 @@ cmake = import('cmake')
 subdir('mfem')
 subdir('yaml-cpp')
 subdir('quill')
-subdir('boost')
\ No newline at end of file
+subdir('boost')
+subdir('opatIO')