diff --git a/dev-ada/gnatdoc/gnatdoc-25.0.0-r3.ebuild b/dev-ada/gnatdoc/gnatdoc-25.0.0-r4.ebuild
similarity index 98%
rename from dev-ada/gnatdoc/gnatdoc-25.0.0-r3.ebuild
rename to dev-ada/gnatdoc/gnatdoc-25.0.0-r4.ebuild
index 3cd53d6bb6faf..e12aee404d8a4 100644
--- a/dev-ada/gnatdoc/gnatdoc-25.0.0-r3.ebuild
+++ b/dev-ada/gnatdoc/gnatdoc-25.0.0-r4.ebuild
@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..13} )
-ADA_COMPAT=( gcc_14 )
+ADA_COMPAT=( gcc_{14..15} )
 
 inherit ada python-single-r1 multiprocessing