diff --git a/qt6-qt5compat.spec b/qt6-qt5compat.spec
index 117f64c..f94bb7b 100644
--- a/qt6-qt5compat.spec
+++ b/qt6-qt5compat.spec
@@ -33,6 +33,7 @@ BuildRequires: qt6-qtbase-devel >= %{version}
 BuildRequires: qt6-qtbase-private-devel
 # qt6-qtdeclarative is required for QtGraphicalEffects
 BuildRequires: qt6-qtdeclarative-devel
+BuildRequires: qt6-qtshadertools-devel
 BuildRequires: pkgconfig(xkbcommon)
 %{?_qt6:Requires: %{_qt6}%{?_isa} = %{_qt6_version}}
 BuildRequires: libicu-devel