diff --git a/sys-fs/ncdu/ncdu-2.9.1.ebuild b/sys-fs/ncdu/ncdu-2.9.1.ebuild
index 5ecbe14c7b8ae..00a0564a7b450 100644
--- a/sys-fs/ncdu/ncdu-2.9.1.ebuild
+++ b/sys-fs/ncdu/ncdu-2.9.1.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/yoranheling.asc
 
-ZIG_SLOT="0.14"
+ZIG_SLOT=("0.14" "0.15")
 ZIG_NEEDS_LLVM=1
 inherit verify-sig zig