diff --git a/nixos/machines/chungus/prometheus.nix b/nixos/machines/chungus/prometheus.nix
index 77a8e30..5d2fc32 100644
--- a/nixos/machines/chungus/prometheus.nix
+++ b/nixos/machines/chungus/prometheus.nix
@@ -20,7 +20,7 @@
     checkConfig = "syntax-only";
     enable = true;
     # keep data for 30 days
-    extraFlags = [ "--storage.tsdb.retention.time=30d" ];
+    extraFlags = [ "--storage.tsdb.retention.time=90d" ];
 
     ruleFiles = [
       (pkgs.writeText "prometheus-rules.yml" (builtins.toJSON {
diff --git a/nixos/machines/cream/packages.nix b/nixos/machines/cream/packages.nix
index 67112a4..caeae97 100644
--- a/nixos/machines/cream/packages.nix
+++ b/nixos/machines/cream/packages.nix
@@ -31,6 +31,7 @@ in
     }))
 
     autorandr
+    nixos-shell
 
     (nextcloudSync "InstantUpload")
     (nextcloudSync "Pictures")