diff --git a/plugins/by-name/efmls-configs/packages.nix b/plugins/by-name/efmls-configs/packages.nix
index 27dee6d1..e52eeaa8 100644
--- a/plugins/by-name/efmls-configs/packages.nix
+++ b/plugins/by-name/efmls-configs/packages.nix
@@ -15,6 +15,7 @@ in
     "fixjson"
     "forge_fmt"
     "gersemi"
+    "gleam_format"
     "js_standard"
     "kdlfmt"
     "markuplint"
diff --git a/tests/test-sources/plugins/by-name/efmls-configs/default.nix b/tests/test-sources/plugins/by-name/efmls-configs/default.nix
index 4beeeb41..2c5bbcf6 100644
--- a/tests/test-sources/plugins/by-name/efmls-configs/default.nix
+++ b/tests/test-sources/plugins/by-name/efmls-configs/default.nix
@@ -65,6 +65,7 @@
           "fixjson"
           "forge_fmt"
           "gersemi"
+          "gleam_format"
           "js_standard"
           "kdlfmt"
           "markuplint"