diff --git a/flake.nix b/flake.nix
index 804d75b..8d95e54 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,35 +5,35 @@
     nixpkgs.url = "https://nixos.org/channels/nixos-25.11-small/nixexprs.tar.xz";
     nixpkgs-unstable.url = "https://nixos.org/channels/nixos-unstable-small/nixexprs.tar.xz";
 
-    sops-nix.url = "github:Mic92/sops-nix";
+    sops-nix.url = "github:Mic92/sops-nix/master";
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
 
-    disko.url = "github:nix-community/disko";
+    disko.url = "github:nix-community/disko/v1.11.0";
     disko.inputs.nixpkgs.follows = "nixpkgs";
 
-    pvv-nettsiden.url = "git+https://git.pvv.ntnu.no/Projects/nettsiden.git";
+    pvv-nettsiden.url = "git+https://git.pvv.ntnu.no/Projects/nettsiden.git?ref=main";
     pvv-nettsiden.inputs.nixpkgs.follows = "nixpkgs";
 
-    pvv-calendar-bot.url = "git+https://git.pvv.ntnu.no/Projects/calendar-bot.git";
+    pvv-calendar-bot.url = "git+https://git.pvv.ntnu.no/Projects/calendar-bot.git?ref=main";
     pvv-calendar-bot.inputs.nixpkgs.follows = "nixpkgs";
 
     matrix-next.url = "github:dali99/nixos-matrix-modules/v0.8.0";
     matrix-next.inputs.nixpkgs.follows = "nixpkgs";
 
-    nix-gitea-themes.url = "git+https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git";
+    nix-gitea-themes.url = "git+https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git?ref=main";
     nix-gitea-themes.inputs.nixpkgs.follows = "nixpkgs";
 
-    minecraft-heatmap.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-heatmap.git";
+    minecraft-heatmap.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-heatmap.git?ref=main";
     minecraft-heatmap.inputs.nixpkgs.follows = "nixpkgs";
 
-    greg-ng.url = "git+https://git.pvv.ntnu.no/Grzegorz/greg-ng.git";
+    greg-ng.url = "git+https://git.pvv.ntnu.no/Grzegorz/greg-ng.git?ref=main";
     greg-ng.inputs.nixpkgs.follows = "nixpkgs";
-    gergle.url = "git+https://git.pvv.ntnu.no/Grzegorz/gergle.git";
+    gergle.url = "git+https://git.pvv.ntnu.no/Grzegorz/gergle.git?ref=main";
     gergle.inputs.nixpkgs.follows = "nixpkgs";
-    grzegorz-clients.url = "git+https://git.pvv.ntnu.no/Grzegorz/grzegorz-clients.git";
+    grzegorz-clients.url = "git+https://git.pvv.ntnu.no/Grzegorz/grzegorz-clients.git?ref=master";
     grzegorz-clients.inputs.nixpkgs.follows = "nixpkgs";
 
-    minecraft-kartverket.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-kartverket.git";
+    minecraft-kartverket.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-kartverket.git?ref=main";
     minecraft-kartverket.inputs.nixpkgs.follows = "nixpkgs";
   };