diff --git a/plugins/lsp/language-servers/default.nix b/plugins/lsp/language-servers/default.nix
index 2a9774f5..a0ec60d0 100644
--- a/plugins/lsp/language-servers/default.nix
+++ b/plugins/lsp/language-servers/default.nix
@@ -26,6 +26,11 @@ with lib; let
       description = "Enable bashls, for bash.";
       package = pkgs.nodePackages.bash-language-server;
     }
+    {
+      name = "beancount";
+      description = "Enable beancount-language-server";
+      package = pkgs.beancount-language-server;
+    }
     {
       name = "biome";
       description = "Enable Biome, Toolchain of the Web";
diff --git a/tests/test-sources/plugins/lsp/_lsp.nix b/tests/test-sources/plugins/lsp/_lsp.nix
index 4d2b2dca..63f785e1 100644
--- a/tests/test-sources/plugins/lsp/_lsp.nix
+++ b/tests/test-sources/plugins/lsp/_lsp.nix
@@ -83,6 +83,7 @@
           ansiblels.enable = true;
           astro.enable = true;
           bashls.enable = true;
+          beancount.enable = true;
           biome.enable = true;
           ccls.enable = true;
           clangd.enable = true;