diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8eced31..4f50b19 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+### 4.2.4
+* Add more group step attributes as listed in https://buildkite.com/docs/pipelines/group-step#group-step-attributes
+
 ### 4.2.3
 * Simplify pipeline upload duplication check
 
diff --git a/VERSION b/VERSION
index f2c6cb6..cf78d5b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.3
+4.2.4
diff --git a/lib/buildkite/pipelines/steps/group.rb b/lib/buildkite/pipelines/steps/group.rb
index d3c7405..eb2c579 100644
--- a/lib/buildkite/pipelines/steps/group.rb
+++ b/lib/buildkite/pipelines/steps/group.rb
@@ -6,7 +6,10 @@ module Steps
       class Group < Abstract
         attribute :label
         attribute :key
+        attribute :skip
+        attribute :if, as: :condition
         attribute :depends_on, append: true
+        attribute :allow_dependency_failure
 
         attr_reader :steps