diff --git a/README.md b/README.md
index f875681..abd7a6a 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ users.users.<user>.extraGroups = [ "dialout" ];
 
 ## arduino-cli
 
-Current version pinned via `nixpkgs`: 1.0.2.
+Current version pinned via `nixpkgs`: 1.0.3.
 
 Use `make` for some predefined options to compile and upload the sketch.
 
diff --git a/flake.lock b/flake.lock
index cdd6013..a63b4d0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1721226549,
-        "narHash": "sha256-pTjdGjBFdBWTT/n0sMhYsUXVpQnfzWJcMsPYe+xz6Eo=",
+        "lastModified": 1722633361,
+        "narHash": "sha256-0wVZ6/XwqpkWkaprzrwSF29vsy3So1V/xWN8aNCPba4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a9a4e171c7f5220ba634678a901b7efcaf9da6f2",
+        "rev": "600a8c74e492c876af9c3c0023f2b3528a949f38",
         "type": "github"
       },
       "original": {