diff --git a/plugins/lsp/language-servers/default.nix b/plugins/lsp/language-servers/default.nix
index 4911b703..627bd4a6 100644
--- a/plugins/lsp/language-servers/default.nix
+++ b/plugins/lsp/language-servers/default.nix
@@ -497,6 +497,12 @@ with lib; let
       description = "Enable prismals, for Prisma";
       package = pkgs.nodePackages."@prisma/language-server";
     }
+    {
+      name = "prolog-ls";
+      description = "enable prolog_ls, for SWI-Prolog";
+      serverName = "prolog_ls";
+      package = pkgs.swiProlog;
+    }
     {
       name = "pylsp";
       description = "Enable pylsp, for Python.";
diff --git a/tests/test-sources/plugins/lsp/_lsp.nix b/tests/test-sources/plugins/lsp/_lsp.nix
index deae9d28..e55dd079 100644
--- a/tests/test-sources/plugins/lsp/_lsp.nix
+++ b/tests/test-sources/plugins/lsp/_lsp.nix
@@ -133,6 +133,7 @@
           perlpls.enable = true;
           pest_ls.enable = true;
           prismals.enable = true;
+          prolog-ls.enable = true;
           pylsp.enable = true;
           pylyzer.enable = true;
           pyright.enable = true;