diff --git a/dev-build/meson/meson-1.9.1.ebuild b/dev-build/meson/meson-1.9.1.ebuild
index 39e86ab0c20e..d22327fe5efd 100644
--- a/dev-build/meson/meson-1.9.1.ebuild
+++ b/dev-build/meson/meson-1.9.1.ebuild
@@ -79,7 +79,7 @@ DEPEND="
 		media-libs/libsdl2
 		media-libs/libwmf
 		net-libs/libpcap
-		sci-libs/hdf5[fortran]
+		sci-libs/hdf5[cxx,fortran]
 		sci-libs/netcdf
 		sys-cluster/openmpi[fortran]
 		sys-devel/bison
diff --git a/dev-build/meson/meson-9999.ebuild b/dev-build/meson/meson-9999.ebuild
index e0ca644baeb2..e9fe46ecf7c1 100644
--- a/dev-build/meson/meson-9999.ebuild
+++ b/dev-build/meson/meson-9999.ebuild
@@ -78,7 +78,7 @@ DEPEND="
 		media-libs/libsdl2
 		media-libs/libwmf
 		net-libs/libpcap
-		sci-libs/hdf5[fortran]
+		sci-libs/hdf5[cxx,fortran]
 		sci-libs/netcdf
 		sys-cluster/openmpi[fortran]
 		sys-devel/bison