diff --git a/sys-devel/clang-runtime/clang-runtime-9999.ebuild b/sys-devel/clang-runtime/clang-runtime-9999.ebuild
index f95b5ba93135f..b2d5450cc7aa6 100644
--- a/sys-devel/clang-runtime/clang-runtime-9999.ebuild
+++ b/sys-devel/clang-runtime/clang-runtime-9999.ebuild
@@ -11,7 +11,7 @@ SRC_URI=""
 
 LICENSE="metapackage"
 # Note: keep it matching clang-9999 version
-SLOT="5.0.0"
+SLOT="6.0.0"
 KEYWORDS=""
 IUSE="+compiler-rt libcxx openmp +sanitize"