diff --git a/ftgl.spec b/ftgl.spec
index dc96d66..8f8c420 100644
--- a/ftgl.spec
+++ b/ftgl.spec
@@ -144,6 +144,7 @@ Group:          Development/Libraries/C and C++
 Requires:       Mesa-devel
 Requires:       freetype2-devel
 Requires:       libftgl2 = %{version}
+Requires:       pkgconfig(glu)
 
 %description devel
 FTGL is a free open source library that enables developers to use