diff --git a/sci-mathematics/singular/singular-4.0.2.ebuild b/sci-mathematics/singular/singular-4.0.2.ebuild
index 3d17c7c868cf3..208cfbad6703a 100644
--- a/sci-mathematics/singular/singular-4.0.2.ebuild
+++ b/sci-mathematics/singular/singular-4.0.2.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
 
-inherit autotools eutils elisp-common flag-o-matic multilib prefix versionator
+inherit autotools eutils elisp-common flag-o-matic multilib prefix toolchain-funcs versionator
 
 MY_PN=Singular
 MY_PV=$(replace_all_version_separators '.')
diff --git a/sci-mathematics/singular/singular-4.0.3.ebuild b/sci-mathematics/singular/singular-4.0.3.ebuild
index ffb1e2a5d9521..f8b2e73bf5ad5 100644
--- a/sci-mathematics/singular/singular-4.0.3.ebuild
+++ b/sci-mathematics/singular/singular-4.0.3.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
 
-inherit autotools elisp-common flag-o-matic multilib prefix versionator
+inherit autotools elisp-common flag-o-matic multilib prefix toolchain-funcs versionator
 
 MY_PN=Singular
 MY_PV=$(replace_all_version_separators '.')