diff --git a/flake.nix b/flake.nix
index d0c3479..430150f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,9 @@
       inherit (nixpkgs) lib;
       forAllSystems = lib.genAttrs lib.systems.flakeExposed;
 
+      # Read version from Cargo.toml as single source of truth
+      version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version;
+
       mkPkgs =
         system:
         import nixpkgs {
@@ -58,7 +61,7 @@
           commonArgs = {
             src = craneLib.path ./.;
             pname = "streamd";
-            version = "0.1.0";
+            inherit version;
             strictDeps = true;
           };