diff --git a/dev-ada/aunit/aunit-23.0.0-r1.ebuild b/dev-ada/aunit/aunit-23.0.0-r1.ebuild
index 1bf61ed82fa8c..50276ceec1738 100644
--- a/dev-ada/aunit/aunit-23.0.0-r1.ebuild
+++ b/dev-ada/aunit/aunit-23.0.0-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-ADA_COMPAT=( gnat_2021 gcc_12 )
+ADA_COMPAT=( gnat_2021 gcc_12 gcc_13 )
 inherit ada multiprocessing
 
 DESCRIPTION="Ada unit testing framework"