diff --git a/lib/sops-nix.nix b/lib/sops-nix.nix
index 05714fb3..04f718d0 100644
--- a/lib/sops-nix.nix
+++ b/lib/sops-nix.nix
@@ -1,6 +1,6 @@
 # Useful to avoid using channels when using legacy nix commands
 let  sops-nix-lock = (builtins.fromJSON (builtins.readFile ../flake.lock)).nodes.sops-nix.locked;
 in import (fetchTarball {
-    url = "https://github.com/Mic92/sops-nix/archive/master.tar.gz";
+    url = "https://github.com/Mic92/sops-nix/archive/${sops-nix-lock.rev}.tar.gz";
     sha256 =  sops-nix-lock.narHash;
 })
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
index 4db1ac9b..020932c9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -12,11 +12,12 @@
       "${toString ./.}/keys/hosts"
       "${toString ./.}/keys/users"
     ];
+
     nativeBuildInputs = [
       pkgs.nix
       pkgs.home-manager
       pkgs.git
-      (pkgs.callPackage sops-nix {}).sops-import-keys-hook
+      (sops-nix {}).sops-import-keys-hook
     ];
   };
 }
\ No newline at end of file