diff --git a/pkgs/by-name/so/so/package.nix b/pkgs/by-name/so/so/package.nix
new file mode 100644
index 000000000000..ce5077932b05
--- /dev/null
+++ b/pkgs/by-name/so/so/package.nix
@@ -0,0 +1,63 @@
+{
+  lib,
+  darwin,
+  fetchFromGitHub,
+  libiconv,
+  openssl,
+  pkg-config,
+  rustPlatform,
+  stdenv,
+  testers,
+}:
+
+let
+  inherit (darwin.apple_sdk.frameworks) Security;
+  self = rustPlatform.buildRustPackage {
+    pname = "so";
+    version = "0.4.10";
+
+    src = fetchFromGitHub {
+      pname = "so-source";
+      inherit (self) version;
+      owner = "samtay";
+      repo = "so";
+      rev = "v${self.version}";
+      hash = "sha256-25jZEo1C9XF4m9YzDwtecQy468nHyv2wnRuK5oY2siU=";
+    };
+
+    cargoHash = "sha256-F9DNY0jKhH6aQRqlXq6MEMoFa1qtvAdL5lSEsql6gcI=";
+
+    nativeBuildInputs = [ pkg-config ];
+
+    buildInputs =
+      [ openssl ]
+      ++ lib.optionals stdenv.isDarwin [
+        libiconv
+        Security
+      ];
+
+    strictDeps = true;
+
+    passthru = {
+      tests = {
+        version = testers.testVersion {
+          package = self;
+          command = ''
+            export HOME=$TMP
+            so --version
+          '';
+        };
+      };
+    };
+
+    meta = {
+      homepage = "https://github.com/samtay/so";
+      description = "TUI to StackExchange network";
+      changelog = "https://github.com/samtay/so/blob/main/CHANGELOG.md";
+      mainProgram = "so";
+      license = lib.licenses.mit;
+      maintainers = with lib.maintainers; [ AndersonTorres ];
+    };
+  };
+in
+self
diff --git a/pkgs/development/tools/so/default.nix b/pkgs/development/tools/so/default.nix
deleted file mode 100644
index 30563875a22c..000000000000
--- a/pkgs/development/tools/so/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ lib, stdenv, rustPlatform, fetchFromGitHub, openssl, pkg-config, libiconv, Security }:
-
-rustPlatform.buildRustPackage rec {
-  pname = "so";
-  version = "0.4.9";
-
-  src = fetchFromGitHub {
-    owner = "samtay";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-4IZNOclQj3ZLE6WRddn99CrV8OoyfkRBXnA4oEyMxv8=";
-  };
-
-  cargoHash = "sha256-hHXA/n/HQeBaD4QZ2b6Okw66poBRwNTpQWF0qBhLp/o=";
-
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ openssl ] ++ lib.optionals stdenv.isDarwin [
-    libiconv Security
-  ];
-
-  meta = with lib; {
-    description = "TUI interface to the StackExchange network";
-    mainProgram = "so";
-    homepage = "https://github.com/samtay/so";
-    license = licenses.mit;
-    maintainers = with maintainers; [ mredaelli ];
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 29018632ca36..8419dc2a5773 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12673,10 +12673,6 @@ with pkgs;
 
   snort = callPackage ../applications/networking/ids/snort { };
 
-  so = callPackage ../development/tools/so {
-    inherit (darwin.apple_sdk.frameworks) Security;
-  };
-
   soapui = callPackage ../applications/networking/soapui {
     jdk = if stdenv.isDarwin
       then (jdk11.override { enableJavaFX = true; })