diff --git a/.travis.yml b/.travis.yml
index b529dc5..fce19e4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,3 +6,5 @@ rvm:
   - 2.5
   - 2.6
   - 2.7
+  - 3.0
+  - 3.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e32ef9a..9f0a127 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## HEAD
+
+* Adding Ruby 3+ compatibility
+
 ## 0.2.0
 
 * Adding Ruby 2.7 compatibility
diff --git a/lib/business_pipeline/context.rb b/lib/business_pipeline/context.rb
index 67c6755..9fa0d9b 100644
--- a/lib/business_pipeline/context.rb
+++ b/lib/business_pipeline/context.rb
@@ -37,7 +37,7 @@ def success?
     end
 
     private def update!(context)
-      context.each { |key, value| modifiable?[key.to_sym] = value }
+      context.each { |key, value| self[key.to_sym] = value }
     end
   end
 end