diff --git a/plugins/ruby/flake.lock b/plugins/ruby/flake.lock
new file mode 100644
index 0000000..d8f8a63
--- /dev/null
+++ b/plugins/ruby/flake.lock
@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1689503327,
+        "narHash": "sha256-qVwzYLA8oT2oWNDXO0A3bZHOhoPOihIB9T677+Hor1E=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f64b9738da8e86195766147e9752c67fccee006c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-ruby": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1699940389,
+        "narHash": "sha256-nyeaGnrToe2g86kj1elImJ9gga3VOZzd4n+lYoHOQQs=",
+        "owner": "bobvanderlinden",
+        "repo": "nixpkgs-ruby",
+        "rev": "065106dbb7eb33514478157868ad1069f26115b2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "bobvanderlinden",
+        "repo": "nixpkgs-ruby",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs-ruby": "nixpkgs-ruby"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/plugins/ruby/flake.nix b/plugins/ruby/flake.nix
new file mode 100644
index 0000000..c3e2ea2
--- /dev/null
+++ b/plugins/ruby/flake.nix
@@ -0,0 +1,12 @@
+{
+  inputs.nixpkgs-ruby.url = "github:bobvanderlinden/nixpkgs-ruby";
+
+  outputs = { self, nixpkgs-ruby }: {
+    lib = {
+      hasVersion = { version, system ? builtins.currentSystem }:
+        builtins.hasAttr "ruby-${version}" nixpkgs-ruby.packages.${system};
+      packageFromVersion = { version, system ? builtins.currentSystem }:
+        nixpkgs-ruby.packages.${system}."ruby-${version}";
+    };
+  };
+}
diff --git a/tests/plugins/python/lib_test.nix b/tests/plugins/python/lib_test.nix
index 6dfc56e..2b594a4 100644
--- a/tests/plugins/python/lib_test.nix
+++ b/tests/plugins/python/lib_test.nix
@@ -3,8 +3,18 @@ let
 in
 [
   {
-    name = "When the version exists";
-    actual = (lib.packageFromVersion { version = "3.12.0"; }).version;
-    expected = "3.12.0";
+    name = "When the version exists returns true";
+    actual = lib.hasVersion { version = "3.12.0"; };
+    expected = true;
+  }
+  {
+    name = "When the version does not exist returns false";
+    actual = lib.hasVersion { version = "0.0.0"; };
+    expected = false;
+  }
+  {
+    name = "When the version exists returns a package";
+    actual = (lib.packageFromVersion { version = "3.12.0"; }).name;
+    expected = "python3-3.12.0";
   }
 ]
diff --git a/tests/plugins/ruby/lib_test.nix b/tests/plugins/ruby/lib_test.nix
new file mode 100644
index 0000000..43c8e1a
--- /dev/null
+++ b/tests/plugins/ruby/lib_test.nix
@@ -0,0 +1,20 @@
+let
+  lib = (builtins.getFlake (builtins.toString ./../../../plugins/ruby)).lib;
+in
+[
+  {
+    name = "When the version exists returns true";
+    actual = lib.hasVersion { version = "3.2.2"; };
+    expected = true;
+  }
+  {
+    name = "When the version does not exist returns false";
+    actual = lib.hasVersion { version = "0.0.0"; };
+    expected = false;
+  }
+  {
+    name = "When the version exists returns a package";
+    actual = (lib.packageFromVersion { version = "3.2.2"; }).name;
+    expected = "ruby-3.2.2";
+  }
+]