diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index f1c4ded0..20140624 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -484,21 +484,15 @@
 - fix broken `neorg` grammars
 - remove obsolete warning in the `otter` module
 
-[Cool-Game-Dev](https://github.com/Cool-Game-Dev):
-
-[nvim-biscuits]: https://github.com/code-biscuits/nvim-biscuits
-
-- Add [nvim-biscuits] to show block context. Available at
-  `vim.utility.nvim-biscuits`.
-
 [JManch](https://github.com/JManch):
 
 - Fix default [blink.cmp] sources "path" and "buffer" not working when
   `autocomplete.nvim-cmp.enable` was disabled and
   `autocomplete.nvim-cmp.sources` had not been modified.
 
-[Cool-Game-Dev](https://github.com/Cool-Game-Dev):
+[Poseidon](https://github.com/poseidon-rises):
 
+[nvim-biscuits]: https://github.com/code-biscuits/nvim-biscuits
 [just-lsp]: https://github.com/terror/just-lsp
 [roslyn-ls]: https://github.com/dotnet/vscode-csharp
 [jsonls]: https://github.com/microsoft/vscode/tree/1.101.2/extensions/json-language-features/server
@@ -509,10 +503,17 @@
 [qmlls]: https://doc.qt.io/qt-6/qtqml-tooling-qmlls.html
 [qmlformat]: https://doc.qt.io/qt-6/qtqml-tooling-qmlformat.html
 
+- Add [nvim-biscuits] support under `vim.utility.nvim-biscuits`.
 - Add just support under `vim.languages.just` using [just-lsp].
 - Add [roslyn-ls] to the `vim.languages.csharp` module.
+- Added json support under `vim.languages.json` using [jsonls] and [jsonfmt].
 - Add JSON support under `vim.languages.json` using [jsonls] and [jsonfmt].
 - Add advanced HTML support under `vim.languages.html` using [superhtml] and
   [htmlHINT].
 - Add QMK support under `vim.utility.qmk-nvim` via [qmk-nvim].
 - Add QML support under `vim.languages.qml` using [qmlls] and [qmlformat].
+
+[Morsicus](https://github.com/Morsicus):
+
+- Add [EEx Treesitter Grammar](https://github.com/connorlay/tree-sitter-eex) for Elixir
+- Add [HEEx Treesitter Grammar](https://github.com/phoenixframework/tree-sitter-heex) for Elixir
diff --git a/modules/plugins/languages/elixir.nix b/modules/plugins/languages/elixir.nix
index 20d6c668..12c8a517 100644
--- a/modules/plugins/languages/elixir.nix
+++ b/modules/plugins/languages/elixir.nix
@@ -56,6 +56,8 @@ in {
     treesitter = {
       enable = mkEnableOption "Elixir treesitter" // {default = config.vim.languages.enableTreesitter;};
       package = mkGrammarOption pkgs "elixir";
+      heexPackage = mkGrammarOption pkgs "heex";
+      eexPackage = mkGrammarOption pkgs "eex";
     };
 
     lsp = {
@@ -91,7 +93,11 @@ in {
   config = mkIf cfg.enable (mkMerge [
     (mkIf cfg.treesitter.enable {
       vim.treesitter.enable = true;
-      vim.treesitter.grammars = [cfg.treesitter.package];
+      vim.treesitter.grammars = [
+        cfg.treesitter.package
+        cfg.treesitter.heexPackage
+        cfg.treesitter.eexPackage
+      ];
     })
 
     (mkIf cfg.lsp.enable {