diff --git a/flake.nix b/flake.nix
index 5027a83..3bcc4a1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
   in {
     defaultPackage.x86_64-linux = nixpkgs.stdenv.mkDerivation {
         pname = "knock";
-        version = "0.0.1";
+        version = "0.1.0";
         src = self;
         nativeBuildInputs = [ nixpkgs.makeWrapper ];
         buildInputs = [
diff --git a/knock b/knock
index 1449fff..a54d07f 100644
--- a/knock
+++ b/knock
@@ -9,7 +9,7 @@ parser.add_argument('acsm_file', metavar='file', type=str, help='the ACSM file t
 args = parser.parse_args()
 
 # these are all Path objects: https://docs.python.org/3/library/pathlib.html
-args.acsm_file = Path(args.acsm_file).expanduser()
+args.acsm_file = Path(args.acsm_file).expanduser().resolve()
 args.drm_file = args.acsm_file.with_suffix('.drm')
 args.epub_file = args.acsm_file.with_suffix('.epub')
 args.adobe_dir = Path('~/.config/knock').expanduser()