diff --git a/crates/languages/src/lib.rs b/crates/languages/src/lib.rs
index d391e67d33fe90ac7e678c1458b8985e221fafc3..168cf8f57ca25444e54c11bb8e594faa94726b5d 100644
--- a/crates/languages/src/lib.rs
+++ b/crates/languages/src/lib.rs
@@ -296,6 +296,7 @@ pub fn init(languages: Arc<LanguageRegistry>, node: NodeRuntime, cx: &mut App) {
         "Astro",
         "CSS",
         "ERB",
+        "HTML+ERB",
         "HTML/ERB",
         "HEEX",
         "HTML",
diff --git a/crates/languages/src/tailwind.rs b/crates/languages/src/tailwind.rs
index 47eb25405339b81b3c458b2443d4af77da883cf0..7215dc0d591daae93ca0ee37043bc1372fa32cd2 100644
--- a/crates/languages/src/tailwind.rs
+++ b/crates/languages/src/tailwind.rs
@@ -184,6 +184,7 @@ impl LspAdapter for TailwindLspAdapter {
             (LanguageName::new("Elixir"), "phoenix-heex".to_string()),
             (LanguageName::new("HEEX"), "phoenix-heex".to_string()),
             (LanguageName::new("ERB"), "erb".to_string()),
+            (LanguageName::new("HTML+ERB"), "erb".to_string()),
             (LanguageName::new("HTML/ERB"), "erb".to_string()),
             (LanguageName::new("PHP"), "php".to_string()),
             (LanguageName::new("Vue.js"), "vue".to_string()),