diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d472aec..0feb302 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,8 +30,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        gemfile: ['6.1_stable', '7.0_stable']
-        ruby-version: ['3.0', '3.1']
+        gemfile: ['6.1_stable', '7.0_stable', '7.1_stable']
+        ruby-version: ['3.0', '3.1', '3.2']
     services:
       mysql:
         image: mysql:5.7
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index b7cb72b..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-sudo: false
-language: ruby
-services:
-  - mysql
-rvm:
-  - 3.0.6
-  - 3.1.4
-  - 3.2.2
-before_install: gem install bundler
-gemfile:
-  - gemfiles/6.1_stable.gemfile
-  - gemfiles/7.0_stable.gemfile
-script:
-  - bundle exec rspec
-  - bundle exec rubocop
-script: bundle exec rspec
diff --git a/Appraisals b/Appraisals
index cfb9567..bd9efd6 100644
--- a/Appraisals
+++ b/Appraisals
@@ -7,3 +7,7 @@ end
 appraise '7.0-stable' do
   gem 'activerecord', '~> 7.0.0'
 end
+
+appraise '7.1-stable' do
+  gem 'activerecord', '~> 7.1.0'
+end
diff --git a/gemfiles/7.1_stable.gemfile b/gemfiles/7.1_stable.gemfile
new file mode 100644
index 0000000..69bc38a
--- /dev/null
+++ b/gemfiles/7.1_stable.gemfile
@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activerecord", "~> 7.1.0"
+
+gemspec path: "../"
diff --git a/lib/active_record_encryption/quoter.rb b/lib/active_record_encryption/quoter.rb
index 365b15e..a62486f 100644
--- a/lib/active_record_encryption/quoter.rb
+++ b/lib/active_record_encryption/quoter.rb
@@ -26,6 +26,11 @@ def type_cast(value)
       end
     end
 
+    # @return [Symbol]
+    def default_timezone
+      ActiveRecord::Base.connection.default_timezone
+    end
+
     private
 
     if ActiveRecord::VERSION::MAJOR < 7
diff --git a/lib/active_record_encryption/type/binary.rb b/lib/active_record_encryption/type/binary.rb
index 98794d4..ac6ff5c 100644
--- a/lib/active_record_encryption/type/binary.rb
+++ b/lib/active_record_encryption/type/binary.rb
@@ -1,6 +1,19 @@
 module ActiveRecordEncryption
   class Type
     class Binary < ActiveModel::Type::Binary
+      def cast(value)
+        return super if ActiveRecord::VERSION::STRING < '7.0.0'
+
+        if value.is_a?(Data)
+          value.to_s
+        else
+          value = cast_value(value) unless value.nil?
+          # NOTE: Don't convert string to binary for backward compatibility.
+          # value = value.b if ::String === value && value.encoding != Encoding::BINARY
+          value
+        end
+      end
+
       def serialize(value)
         return if value.nil?
         Data.new(value)
diff --git a/spec/active_record_encryption/quoter_spec.rb b/spec/active_record_encryption/quoter_spec.rb
index da67789..7ad1c0e 100644
--- a/spec/active_record_encryption/quoter_spec.rb
+++ b/spec/active_record_encryption/quoter_spec.rb
@@ -4,6 +4,14 @@
   describe '#type_cast' do
     subject { described_class.instance.type_cast(value) }
 
+    def to_s(value, *args)
+      if ActiveRecord::VERSION::MAJOR >= 7
+        value.to_fs(*args)
+      else
+        value.to_s(*args)
+      end
+    end
+
     context 'given string' do
       let(:value) { 'hello world' }
       it { is_expected.to eq(value) }
@@ -31,17 +39,17 @@
 
     context 'given ActiveRecord::Type::Time::Value' do
       let(:value) { ActiveRecord::Type.lookup(:time).serialize(Time.now).change(usec: 0) }
-      it { is_expected.to eq(value.to_s(:db)) }
+      it { is_expected.to eq(to_s(value, :db)) }
     end
 
     context 'given Date' do
       let(:value) { Date.today }
-      it { is_expected.to eq value.to_s(:db) }
+      it { is_expected.to eq to_s(value, :db) }
     end
 
     context 'given Time' do
       let(:value) { Time.now.change(usec: 0) }
-      it { is_expected.to eq value.utc.to_s(:db) }
+      it { is_expected.to eq to_s(value.utc, :db) }
     end
 
     context 'given Integer' do