diff --git a/dev-ada/gps/gps-2019.ebuild b/dev-ada/gps/gps-2019.ebuild
index fef7223a4b72c..ceb2294067e8e 100644
--- a/dev-ada/gps/gps-2019.ebuild
+++ b/dev-ada/gps/gps-2019.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 PYTHON_COMPAT=( python2_7 )
-ADA_COMPAT=( gnat_2018 )
+ADA_COMPAT=( gnat_201{8,9} )
 inherit ada python-single-r1 autotools desktop llvm multilib
 
 MYP=${PN}-gpl-${PV}-src