diff --git a/flake.lock b/flake.lock
index 8588a39..c00ea5c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1619345332,
-        "narHash": "sha256-qHnQkEp1uklKTpx3MvKtY6xzgcqXDsz5nLilbbuL+3A=",
+        "lastModified": 1622445595,
+        "narHash": "sha256-m+JRe6Wc5OZ/mKw2bB3+Tl0ZbtyxxxfnAWln8Q5qs+Y=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "2ebf2558e5bf978c7fb8ea927dfaed8fefab2e28",
+        "rev": "7d706970d94bc5559077eb1a6600afddcd25a7c8",
         "type": "github"
       },
       "original": {
@@ -17,12 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1620078665,
-        "narHash": "sha256-WhA2MhJQeS/3VOQ/MrWZYJHMuYpqX5Y4DBwd/7/fUP8=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "e5b86d7ac08c3c33a4bfd9736a6001a7c63d0a1a",
-        "type": "github"
+        "lastModified": 1622922048,
+        "narHash": "sha256-nTyKxe0n7l/4HSmYaIN+63WQrvHrTJY6drSwP7bMqhU=",
+        "path": "/nix/store/0p3wmqjpa9ra4bcdx6lrjsvbrhmjq5lv-source",
+        "rev": "5de44c15758465f8ddf84d541ba300b48e56eda4",
+        "type": "path"
       },
       "original": {
         "id": "nixpkgs",
diff --git a/flake.nix b/flake.nix
index 8b1a9f2..57c598f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,10 +26,9 @@
             pkgs.stdenv.mkDerivation {
               name = "strm";
               src = self;
-              patchPhase = with pkgs; ''
-                substituteInPlace strm \
-                  --replace mpv\  ${mpv}/bin/mpv\ 
-              '';
+              propagatedBuildInputs = [
+                mpv
+              ];
               installPhase = ''
                 install -m 755 -D strm $out/bin/strm
               '';