diff --git a/Libraries/isl/files/variants b/Libraries/isl/files/variants
index 467f76c..2b4fcf0 100644
--- a/Libraries/isl/files/variants
+++ b/Libraries/isl/files/variants
@@ -1 +1 @@
-isl/0.21	unstable	b:gmp/6.1.2-1
+isl/0.21	stable	b:gmp/6.1.2-1