diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe59eded8..b45d30a15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 9.21.0 - 2024/11/27
+
+## Enhancements
+
+- Ensure selenium related errors are always reported [706](https://github.com/bugsnag/maze-runner/pull/706)
+
 # 9.20.0 - 2024/11/21
 
 ## Enhancements
diff --git a/lib/maze.rb b/lib/maze.rb
index 6b7817a07..577ef67cb 100644
--- a/lib/maze.rb
+++ b/lib/maze.rb
@@ -7,7 +7,7 @@
 # Glues the various parts of MazeRunner together that need to be accessed globally,
 # providing an alternative to the proliferation of global variables or singletons.
 module Maze
-  VERSION = '9.20.0'
+  VERSION = '9.21.0'
 
   class << self
     attr_accessor :check, :driver, :internal_hooks, :mode, :start_time, :dynamic_retry, :public_address,