diff --git a/hosts/ymir/configuration.nix b/hosts/ymir/configuration.nix
index 407fbff..433356b 100644
--- a/hosts/ymir/configuration.nix
+++ b/hosts/ymir/configuration.nix
@@ -132,6 +132,16 @@
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;
 
+  # Setup community cache
+  nix.settings = {
+    substituters = [
+      "https://nix-community.cachix.org"
+    ];
+    trusted-public-keys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+  };
+
   # Optimise storage
   nix.optimise = {
     automatic = true;