diff --git a/etc/spack/defaults/mirrors.yaml b/etc/spack/defaults/mirrors.yaml
index 6afc897e61b..4db4f7dedb7 100644
--- a/etc/spack/defaults/mirrors.yaml
+++ b/etc/spack/defaults/mirrors.yaml
@@ -1,2 +1,2 @@
 mirrors:
-  spack-public: https://spack-llnl-mirror.s3-us-west-2.amazonaws.com/
+  spack-public: https://mirror.spack.io