diff --git a/flake.nix b/flake.nix
index 326ddcf..a50a86e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,7 +36,7 @@
     };
 
     dwarffs = {
-      url = "github:edolstra/dwarffs";
+      url = "github:edolstra/dwarffs/b0cea6426ca6f7b1476225410af942f11d6c70b7";
       inputs = {
         #nix.follows = "nix";
         nixpkgs.follows = "nixpkgs";