diff --git a/tier-1/manifest.yaml b/tier-1/manifest.yaml
index c84117b..474843e 100644
--- a/tier-1/manifest.yaml
+++ b/tier-1/manifest.yaml
@@ -36,6 +36,8 @@ packages:
   - zram-generator
   # This one is in Python so isn't in FCOS, but we can safely add it here.
   - sos
+  # in c9s authselect is not pulled by pam, this makes sure we have parity.
+  - authselect
 
 # These are random architecture-specific packages
 packages-x86_64: