diff --git a/sci-chemistry/votca-csg/votca-csg-1.4.1.ebuild b/sci-chemistry/votca-csg/votca-csg-1.4.1.ebuild
index 47c989751bff8..80e7fca624255 100644
--- a/sci-chemistry/votca-csg/votca-csg-1.4.1.ebuild
+++ b/sci-chemistry/votca-csg/votca-csg-1.4.1.ebuild
@@ -29,7 +29,7 @@ SLOT="0"
 
 RDEPEND="
 	~sci-libs/votca-tools-${PV}
-	gromacs? ( <sci-chemistry/gromacs-2019:= )
+	gromacs? ( <sci-chemistry/gromacs-2019_beta1:= )
 	hdf5? ( sci-libs/hdf5 )
 	dev-lang/perl
 	app-shells/bash:*"