diff --git a/plugins/lsp/language-servers/default.nix b/plugins/lsp/language-servers/default.nix
index 03fd8c66..eba2796b 100644
--- a/plugins/lsp/language-servers/default.nix
+++ b/plugins/lsp/language-servers/default.nix
@@ -502,6 +502,11 @@ let
       serverName = "rnix";
       package = null;
     }
+    {
+      name = "ruby-lsp";
+      description = "ruby-lsp for Ruby";
+      serverName = "ruby_lsp";
+    }
     {
       name = "ruff";
       description = "Official ruff language server (Rust) for Python";
diff --git a/tests/test-sources/plugins/lsp/_lsp.nix b/tests/test-sources/plugins/lsp/_lsp.nix
index 81e8e82a..739aba6b 100644
--- a/tests/test-sources/plugins/lsp/_lsp.nix
+++ b/tests/test-sources/plugins/lsp/_lsp.nix
@@ -174,6 +174,7 @@
             pylsp.enable = true;
             pylyzer.enable = true;
             pyright.enable = true;
+            ruby-lsp.enable = true;
             ruff.enable = true;
             ruff-lsp.enable = true;
             rust-analyzer = {