diff --git a/mirrors.yaml.in b/mirrors.yaml.in
index f0d218fe..f37f2e10 100644
--- a/mirrors.yaml.in
+++ b/mirrors.yaml.in
@@ -23,3 +23,7 @@ mirrors:
       access_pair:
         id_variable: GITHUB_REGISTRY_USER
         secret_variable: GITHUB_REGISTRY_TOKEN
+  eic-spack-mirror:
+    url: https://eic.github.io/eic-spack-mirror
+    binary: false
+    source: true