diff --git a/dev-ada/langkit/langkit-23.0.0-r1.ebuild b/dev-ada/langkit/langkit-23.0.0-r2.ebuild
similarity index 98%
rename from dev-ada/langkit/langkit-23.0.0-r1.ebuild
rename to dev-ada/langkit/langkit-23.0.0-r2.ebuild
index 26dee3b785324..0048c09c55896 100644
--- a/dev-ada/langkit/langkit-23.0.0-r1.ebuild
+++ b/dev-ada/langkit/langkit-23.0.0-r2.ebuild
@@ -4,7 +4,7 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{10..11} )
-ADA_COMPAT=( gnat_2021 gcc_12 )
+ADA_COMPAT=( gnat_2021 gcc_12 gcc_13 )
 
 DISTUTILS_USE_SETUPTOOLS=no
 inherit distutils-r1 ada multiprocessing
@@ -21,6 +21,7 @@ IUSE="+shared static-libs static-pic"
 REQUIRED_USE="${PYTHON_REQUIRED_USE}
 	${ADA_REQUIRED_USE}
 	|| ( shared static-libs static-pic )"
+RESTRICT="test"
 
 RDEPEND="${PYTHON_DEPS}
 	${ADA_DEPS}