diff --git a/Libraries/ucx/files/variants.rhel6 b/Libraries/ucx/files/variants.rhel6
index 5ab6e61..5149271 100644
--- a/Libraries/ucx/files/variants.rhel6
+++ b/Libraries/ucx/files/variants.rhel6
@@ -1,2 +1,2 @@
-ucx/1.8.1	unstable
+ucx/1.8.1	stable
 ucx/1.9.0	unstable   cuda/11.1.0 b:doxygen/1.8.14 b:knem/1.1.4