diff --git a/packages/boxd/default.nix b/packages/boxd/default.nix
index 213fee0..f0fec08 100644
--- a/packages/boxd/default.nix
+++ b/packages/boxd/default.nix
@@ -11,15 +11,15 @@ let
   sources = {
     x86_64-linux = {
       url = "https://boxd.sh/downloads/cli/boxd-linux-amd64";
-      hash = "sha256-TlUeF41JcsMekeGx4y8dKyjTQ/oyHwJrSxRFLD2nYpc=";
+      hash = "sha256-5v/eSZ5a1dnmnlalKQeEBn8KOP1kyUhuv+6h/X/xxSY=";
     };
     aarch64-linux = {
       url = "https://boxd.sh/downloads/cli/boxd-linux-arm64";
-      hash = "sha256-TVCIe9i6AdfltOBGiGWbpor0lPNX40sK3Xt35IJWOeE=";
+      hash = "sha256-xmyOyh9FVkFoxSenZeIT7dj6RKYEDVazEp7BcOv5boc=";
     };
     aarch64-darwin = {
       url = "https://boxd.sh/downloads/cli/boxd-darwin-arm64";
-      hash = "sha256-rSJjp67z+yES7DGDiUIKpi6jThGpN7nb8UwuOJ4zAT4=";
+      hash = "sha256-S+dYGGkTOHMvyfYlIICrXO5k3s6Q5DrKRODZmeRC/gs=";
     };
   };
 
@@ -28,7 +28,7 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "boxd";
-  version = "0.1.23";
+  version = "0.2.3";
 
   src = fetchurl {
     inherit (srcAttrs) url hash;
@@ -44,7 +44,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeInstallCheckInputs = [ versionCheckHook ];
   versionCheckProgram = "${placeholder "out"}/bin/boxd";
-  versionCheckProgramArg = "--version";
+  # 0.2.x uses a subcommand; --version is no longer accepted.
+  versionCheckProgramArg = "version";
   doInstallCheck = true;
 
   meta = {
diff --git a/scripts/update-packages.sh b/scripts/update-packages.sh
index 22a8e69..af65806 100755
--- a/scripts/update-packages.sh
+++ b/scripts/update-packages.sh
@@ -738,10 +738,12 @@ keys = [k for k in order if k in sources] + sorted(k for k in sources if k not i
 
 def fmt_entry(sysname):
     e = sources[sysname]
+    # Double-quoted dict keys: this snippet is embedded in bash single quotes.
+    url, h = e["url"], e["hash"]
     return (
         f"    {sysname} = {{\n"
-        f"      url = \"{e['url']}\";\n"
-        f"      hash = \"{e['hash']}\";\n"
+        f"      url = \"{url}\";\n"
+        f"      hash = \"{h}\";\n"
         f"    }};"
     )