diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e5c5907..8e6970f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changelog
 
 ## Unreleased
+
+## 0.10.6-alpha - 2021-09-16
 - Improved highlighting of arrow function parameters in `javascript` and `typescript`.
 - Improved general highlighting for `ruby`.
 - Updated `python` grammar.
diff --git a/tree-sitter-langs-build.el b/tree-sitter-langs-build.el
index ca105a89..5bf1891c 100644
--- a/tree-sitter-langs-build.el
+++ b/tree-sitter-langs-build.el
@@ -210,7 +210,7 @@ latest commit."
 ;; ---------------------------------------------------------------------------
 ;;; Building language grammars.
 
-(defconst tree-sitter-langs--bundle-version "0.10.4"
+(defconst tree-sitter-langs--bundle-version "0.10.6-alpha"
   "Version of the grammar bundle.
 This should be bumped whenever a language submodule is updated, which should be
 infrequent (grammar-only changes). It is different from the version of
diff --git a/tree-sitter-langs.el b/tree-sitter-langs.el
index 9ab1aa2c..bee24af5 100644
--- a/tree-sitter-langs.el
+++ b/tree-sitter-langs.el
@@ -5,7 +5,7 @@
 ;; Author: Tuấn-Anh Nguyễn <ubolonton@gmail.com>
 ;; Keywords: languages tools parsers tree-sitter
 ;; Homepage: https://github.com/emacs-tree-sitter/tree-sitter-langs
-;; Version: 0.10.5
+;; Version: 0.10.6-alpha
 ;; Package-Requires: ((emacs "25.1") (tree-sitter "0.15.0"))
 ;; SPDX-License-Identifier: MIT