diff --git a/gap-matgrp.spec b/gap-matgrp.spec
index 167df70..d1ab0e6 100644
--- a/gap-matgrp.spec
+++ b/gap-matgrp.spec
@@ -28,12 +28,11 @@ Source:         http://www.math.colostate.edu/~hulpke/matgrp/matgrp%version.tar.
 BuildArch:      noarch
 BuildRequires:  gap-rpm-devel
 Requires:       gap-atlasrep >= 1.4.0
-Requires:       gap-core >= 4.7
+Requires:       gap-core >= 4.12
 Requires:       gap-forms >= 1.2
 Requires:       gap-genss >= 1.3
 Requires:       gap-orb >= 3.4
 Requires:       gap-recog >= 1.2
-Requires:       gap-recogbase >= 1.0
 
 %description
 The matgrp package provides an interface to the solvable radical