diff --git a/languages.toml b/languages.toml
index 048890684ac2..b70658085f41 100644
--- a/languages.toml
+++ b/languages.toml
@@ -2069,7 +2069,7 @@ language-servers = [ "elixir-ls" ]
 
 [[grammar]]
 name = "heex"
-source = { git = "https://github.com/phoenixframework/tree-sitter-heex", rev = "2e1348c3cf2c9323e87c2744796cf3f3868aa82a" }
+source = { git = "https://github.com/phoenixframework/tree-sitter-heex", rev = "f6b83f305a755cd49cf5f6a66b2b789be93dc7b9" }
 
 [[language]]
 name = "sql"