diff --git a/sci-chemistry/gromacs/gromacs-2022.9999.ebuild b/sci-chemistry/gromacs/gromacs-2022.9999.ebuild
index beee0f5141696..8b7107ecad961 100644
--- a/sci-chemistry/gromacs/gromacs-2022.9999.ebuild
+++ b/sci-chemistry/gromacs/gromacs-2022.9999.ebuild
@@ -47,7 +47,7 @@ CDEPEND="
 	hwloc? ( sys-apps/hwloc:= )
 	lapack? ( virtual/lapack )
 	mkl? ( sci-libs/mkl )
-	mpi? ( virtual/mpi )
+	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
 	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
diff --git a/sci-chemistry/gromacs/gromacs-2022_beta1-r1.ebuild b/sci-chemistry/gromacs/gromacs-2022_beta1-r2.ebuild
similarity index 99%
rename from sci-chemistry/gromacs/gromacs-2022_beta1-r1.ebuild
rename to sci-chemistry/gromacs/gromacs-2022_beta1-r2.ebuild
index beee0f5141696..8b7107ecad961 100644
--- a/sci-chemistry/gromacs/gromacs-2022_beta1-r1.ebuild
+++ b/sci-chemistry/gromacs/gromacs-2022_beta1-r2.ebuild
@@ -47,7 +47,7 @@ CDEPEND="
 	hwloc? ( sys-apps/hwloc:= )
 	lapack? ( virtual/lapack )
 	mkl? ( sci-libs/mkl )
-	mpi? ( virtual/mpi )
+	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
 	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
diff --git a/sci-chemistry/gromacs/gromacs-9999.ebuild b/sci-chemistry/gromacs/gromacs-9999.ebuild
index beee0f5141696..8b7107ecad961 100644
--- a/sci-chemistry/gromacs/gromacs-9999.ebuild
+++ b/sci-chemistry/gromacs/gromacs-9999.ebuild
@@ -47,7 +47,7 @@ CDEPEND="
 	hwloc? ( sys-apps/hwloc:= )
 	lapack? ( virtual/lapack )
 	mkl? ( sci-libs/mkl )
-	mpi? ( virtual/mpi )
+	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
 	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}