diff --git a/hosts/default.nix b/hosts/default.nix
index f05a7c4..2b30d44 100644
--- a/hosts/default.nix
+++ b/hosts/default.nix
@@ -8,10 +8,12 @@ let
       substituters = [
         "https://carlthome.cachix.org"
         "https://numtide.cachix.org"
+        "https://devenv.cachix.org"
       ];
       trusted-public-keys = [
         "carlthome.cachix.org-1:BHerYg0J5Qv/Yw/SsxqPBlTY+cttA9axEsmrK24R15w="
         "numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE="
+        "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
       ];
       auto-optimise-store = true;
       cores = 4;