diff --git a/.github/workflows/coveralls.yml b/.github/workflows/coveralls.yml
index e2649a3..8dd184f 100644
--- a/.github/workflows/coveralls.yml
+++ b/.github/workflows/coveralls.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.6", "2.7", "3.0", "3.1"]
+        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 74cf275..220bc41 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.6", "2.7", "3.0", "3.1"]
+        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
diff --git a/Gemfile.lock b/Gemfile.lock
index ae197ce..be74687 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rubytree (2.0.4)
+    rubytree (2.1.0)
       json (~> 2.0, > 2.3.1)
 
 GEM
diff --git a/lib/tree/version.rb b/lib/tree/version.rb
index 9a953e6..a2da0f6 100644
--- a/lib/tree/version.rb
+++ b/lib/tree/version.rb
@@ -35,5 +35,5 @@
 
 module Tree
   # Rubytree Package Version
-  VERSION = '2.0.4'
+  VERSION = '2.1.0'
 end
diff --git a/rubytree.gemspec b/rubytree.gemspec
index 5b826f7..6fc4e2a 100644
--- a/rubytree.gemspec
+++ b/rubytree.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.email                 = 'anupamsg@gmail.com'
   s.homepage              = 'http://rubytree.anupamsg.me'
 
-  s.required_ruby_version = '>=2.6'
+  s.required_ruby_version = '>=2.7'
 
   s.summary               = 'A generic tree data structure for Ruby.'