diff --git a/plugins/lsp/language-servers/efmls-configs-pkgs.nix b/plugins/lsp/language-servers/efmls-configs-pkgs.nix
index 27dee6d18..01e04bec1 100644
--- a/plugins/lsp/language-servers/efmls-configs-pkgs.nix
+++ b/plugins/lsp/language-servers/efmls-configs-pkgs.nix
@@ -137,6 +137,7 @@ in
       dartfmt = "dart";
       dotnet_format = "dotnet-runtime";
       fish_indent = "fish";
+      gleam_format = "gleam";
       gofmt = "go";
       goimports = "go-tools";
       golangci_lint = "golangci-lint";