diff --git a/flake.lock b/flake.lock
index 05e74feea..517aaecde 100644
--- a/flake.lock
+++ b/flake.lock
@@ -44,11 +44,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1727348695,
-        "narHash": "sha256-J+PeFKSDV+pHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI=",
+        "lastModified": 1728241625,
+        "narHash": "sha256-yumd4fBc/hi8a9QgA9IT8vlQuLZ2oqhkJXHPKxH/tRw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1925c603f17fc89f4c8f6bf6f631a802ad85d784",
+        "rev": "c31898adf5a8ed202ce5bea9f347b1c6871f32d1",
         "type": "github"
       },
       "original": {
@@ -97,11 +97,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1724921939,
-        "narHash": "sha256-/S5iip1LHLiCP2VY7PwClDteP9ZMRZvzzKR1LZuV3fs=",
+        "lastModified": 1728371104,
+        "narHash": "sha256-PPnAyDedUQ7Og/Cby9x5OT9wMkNGTP8GS53V6N/dk4w=",
         "owner": "m-labs",
         "repo": "sipyco",
-        "rev": "32ddd78ff3641b75054793ea0d5681c951766754",
+        "rev": "094a6cd63ffa980ef63698920170e50dc9ba77fd",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e8b9dbe54..8d05492c9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -191,12 +191,12 @@
 
       asyncserial = pkgs.python3Packages.buildPythonPackage rec {
         pname = "asyncserial";
-        version = "0.1";
+        version = "1.0";
         src = pkgs.fetchFromGitHub {
           owner = "m-labs";
           repo = "asyncserial";
-          rev = "446559fec892a556876b17d17f182ae9647d5952";
-          sha256 = "sha256-WExmgh55sTH2w7wV3i96J1F1FN7L5rX3L/Ayvt2Kw/g=";
+          rev = version;
+          sha256 = "sha256-ZHzgJnbsDVxVcp09LXq9JZp46+dorgdP8bAiTB59K28=";
         };
         propagatedBuildInputs = [ pkgs.python3Packages.pyserial ];
       };