diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7d491ed..3e3c47b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,31 +15,24 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - "2.5"
-          - "2.6"
-          - "2.7"
-          - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
+          - "3.4"
         gemfile:
-          - gemfiles/activesupport_5_2.gemfile
-          - gemfiles/activesupport_6_0.gemfile
-          - gemfiles/activesupport_6_1.gemfile
           - gemfiles/activesupport_7_0.gemfile
+          - gemfiles/activesupport_7_1.gemfile
+          - gemfiles/activesupport_7_2.gemfile
           - gemfiles/without_activesupport.gemfile
+          - gemfiles/dalli_3.gemfile
+          - gemfiles/dalli_4.gemfile
+          - gemfiles/dalli_5.gemfile
         exclude:
-          - ruby: "2.5"
-            gemfile: gemfiles/activesupport_7_0.gemfile
-          - ruby: "2.6"
-            gemfile: gemfiles/activesupport_7_0.gemfile
-          - ruby: "3.0"
-            gemfile: gemfiles/activesupport_5_2.gemfile
-          - ruby: "3.0"
-            gemfile: gemfiles/activesupport_5_2.gemfile
+          # dalli 5.x requires Ruby 3.3+
           - ruby: "3.1"
-            gemfile: gemfiles/activesupport_5_2.gemfile
+            gemfile: gemfiles/dalli_5.gemfile
           - ruby: "3.2"
-            gemfile: gemfiles/activesupport_5_2.gemfile
+            gemfile: gemfiles/dalli_5.gemfile
     services:
       memcached_11211:
         image: memcached
diff --git a/.rubocop.yml b/.rubocop.yml
index ecdba0a..b56803b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -3,7 +3,7 @@ AllCops:
     - "vendor/**/*"
   DisplayCopNames: true
   NewCops: disable
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 3.1
   SuggestExtensions: false
 
 Style/AsciiComments:
diff --git a/.ruby-version b/.ruby-version
index b347b11..37d02a6 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.2.3
+3.3.8
diff --git a/Appraisals b/Appraisals
index 9447289..3817ead 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,18 +1,30 @@
 appraise "without_activesupport" do
 end
 
-appraise "activesupport_5_2" do
-  gem "activesupport", "~> 5.2.8.1"
+appraise "activesupport_7_0" do
+  gem "activesupport", "~> 7.0.8"
 end
 
-appraise "activesupport_6_0" do
-  gem "activesupport", "~> 6.0.6.1"
+appraise "activesupport_7_1" do
+  gem "activesupport", "~> 7.1.5"
 end
 
-appraise "activesupport_6_1" do
-  gem "activesupport", "~> 6.1.7.7"
+appraise "activesupport_7_2" do
+  gem "activesupport", "~> 7.2.2"
 end
 
-appraise "activesupport_7_0" do
-  gem "activesupport", "~> 7.0.8.1"
+# dalli version tests
+appraise "dalli_3" do
+  gem "activesupport", "~> 7.2.2"
+  gem "dalli", "~> 3.2"
+end
+
+appraise "dalli_4" do
+  gem "activesupport", "~> 7.2.2"
+  gem "dalli", "~> 4.3"
+end
+
+appraise "dalli_5" do
+  gem "activesupport", "~> 7.2.2"
+  gem "dalli", "~> 5.0"
 end
diff --git a/README.md b/README.md
index 34af940..3cde1a9 100644
--- a/README.md
+++ b/README.md
@@ -61,16 +61,24 @@ end
 
 ## Run tests locally
 
-```
+```bash
 docker compose up -d
 bundle install
 bundle exec appraisal install
+
+# Run tests with specific ActiveSupport version
+bundle exec appraisal activesupport_7_2 rake
+bundle exec appraisal activesupport_7_1 rake
 bundle exec appraisal activesupport_7_0 rake
+bundle exec appraisal activesupport_6_1 rake
+
+# Run tests with specific dalli version
+bundle exec appraisal dalli_5 rake
+bundle exec appraisal dalli_4 rake
+bundle exec appraisal dalli_3 rake
 
-#bundle exec appraisal activesupport_5_2 rake
-#bundle exec appraisal activesupport_6_0 rake
-#bundle exec appraisal activesupport_6_1 rake
-#bundle exec appraisal without_activesupport rake
+# Run tests without ActiveSupport
+bundle exec appraisal without_activesupport rake
 ```
 
 ## Contributing
diff --git a/double_write_cache_stores.gemspec b/double_write_cache_stores.gemspec
index f197728..e30e0f8 100644
--- a/double_write_cache_stores.gemspec
+++ b/double_write_cache_stores.gemspec
@@ -17,9 +17,9 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = Gem::Requirement.new(">= 2.5")
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.1")
 
-  spec.add_runtime_dependency "dalli", "~> 3.0"
+  spec.add_runtime_dependency "dalli", ">= 3.0", "< 6.0"
 
   spec.add_development_dependency "appraisal", "~> 2.5.0"
   spec.add_development_dependency "bundler", "~> 2.0"
diff --git a/gemfiles/activesupport_7_0.gemfile b/gemfiles/activesupport_7_0.gemfile
index dd928fe..6f99b2c 100644
--- a/gemfiles/activesupport_7_0.gemfile
+++ b/gemfiles/activesupport_7_0.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 7.0.8.1"
+gem "activesupport", "~> 7.0.8"
 
 gemspec path: "../"
diff --git a/gemfiles/activesupport_5_2.gemfile b/gemfiles/activesupport_7_1.gemfile
similarity index 73%
rename from gemfiles/activesupport_5_2.gemfile
rename to gemfiles/activesupport_7_1.gemfile
index c9221e0..c53c285 100644
--- a/gemfiles/activesupport_5_2.gemfile
+++ b/gemfiles/activesupport_7_1.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 5.2.8.1"
+gem "activesupport", "~> 7.1.5"
 
 gemspec path: "../"
diff --git a/gemfiles/activesupport_6_0.gemfile b/gemfiles/activesupport_7_2.gemfile
similarity index 73%
rename from gemfiles/activesupport_6_0.gemfile
rename to gemfiles/activesupport_7_2.gemfile
index d0d6cf3..02456f4 100644
--- a/gemfiles/activesupport_6_0.gemfile
+++ b/gemfiles/activesupport_7_2.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 6.0.6.1"
+gem "activesupport", "~> 7.2.2"
 
 gemspec path: "../"
diff --git a/gemfiles/activesupport_6_1.gemfile b/gemfiles/dalli_3.gemfile
similarity index 63%
rename from gemfiles/activesupport_6_1.gemfile
rename to gemfiles/dalli_3.gemfile
index 57dbf02..b0d28fe 100644
--- a/gemfiles/activesupport_6_1.gemfile
+++ b/gemfiles/dalli_3.gemfile
@@ -2,6 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "activesupport", "~> 6.1.7.7"
+gem "activesupport", "~> 7.2.2"
+gem "dalli", "~> 3.2"
 
 gemspec path: "../"
diff --git a/gemfiles/dalli_4.gemfile b/gemfiles/dalli_4.gemfile
new file mode 100644
index 0000000..807b80b
--- /dev/null
+++ b/gemfiles/dalli_4.gemfile
@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activesupport", "~> 7.2.2"
+gem "dalli", "~> 4.3"
+
+gemspec path: "../"
diff --git a/gemfiles/dalli_5.gemfile b/gemfiles/dalli_5.gemfile
new file mode 100644
index 0000000..5ba3e03
--- /dev/null
+++ b/gemfiles/dalli_5.gemfile
@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activesupport", "~> 7.2.2"
+gem "dalli", "~> 5.0"
+
+gemspec path: "../"
diff --git a/spec/double_write_cache_stores/client_spec.rb b/spec/double_write_cache_stores/client_spec.rb
index 27b0b7f..fda1f88 100644
--- a/spec/double_write_cache_stores/client_spec.rb
+++ b/spec/double_write_cache_stores/client_spec.rb
@@ -193,7 +193,7 @@ def get_or_read(store, key)
     end
 
     shared_examples "read cache after increment or decrement example" do
-      before { cache_store.set(key, 10, raw: true) }
+      before { cache_store.set(key, "10", raw: true) }
       it { expect((cache_store.read key).to_i).to eq expected_value }
     end
 
@@ -207,7 +207,7 @@ def get_or_read(store, key)
 
       context "when options[:initial] does not exist" do
         context "when value exists" do
-          before { cache_store.set(key, 0, raw: true) }
+          before { cache_store.set(key, "0", raw: true) }
           context "when amount does not exist" do
             it { expect(cache_store.increment key).to eq 1 }
 
@@ -240,7 +240,7 @@ def get_or_read(store, key)
         else
           let(:opt) { { initial: 12_345_678 } }
           context "when value exists" do
-            before { cache_store.set(key, 0, raw: true) }
+            before { cache_store.set(key, "0", raw: true) }
             it { expect(cache_store.increment key, 1, opt).to eq 1 }
           end
           context "when value does not exist" do
@@ -260,7 +260,7 @@ def get_or_read(store, key)
 
       context "when options[:initial] does not exist" do
         context "when value exists" do
-          before { cache_store.set(key, 101, raw: true) }
+          before { cache_store.set(key, "101", raw: true) }
           context "when amount does not exist" do
             it { expect(cache_store.decrement key).to eq 100 }
 
@@ -293,7 +293,7 @@ def get_or_read(store, key)
         else
           let(:opt) { { initial: 12_345_678 } }
           context "when value exists" do
-            before { cache_store.set(key, 101, raw: true) }
+            before { cache_store.set(key, "101", raw: true) }
             it { expect(cache_store.decrement key, 1, opt).to eq 100 }
           end
           context "when value does not exist" do
@@ -347,12 +347,12 @@ def get_or_read(store, key)
   end
 
   describe "shard example" do
-    if DoubleWriteCacheStores.loaded_active_support?
+    if DoubleWriteCacheStores.loaded_active_support? && ActiveSupport::VERSION::MAJOR < 7
       context "ActiveSupport MemCacheStore" do
         options = { raw: true, expires_in: 3600 }
 
-        read_and_write_store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost:11211", options
-        write_only_store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost:21211", options
+        read_and_write_store = ActiveSupport::Cache.lookup_store(:mem_cache_store, "localhost:11211", options)
+        write_only_store = ActiveSupport::Cache.lookup_store(:mem_cache_store, "localhost:21211", options)
 
         context "double cache store" do
           copy_cache_store = DoubleWriteCacheStores::Client.new(read_and_write_store, write_only_store)
@@ -365,7 +365,8 @@ def get_or_read(store, key)
         end
       end
     else
-      skip "Not load ActiveSupport"
+      as_version = DoubleWriteCacheStores.loaded_active_support? ? ActiveSupport::VERSION::STRING : "not loaded"
+      skip "ActiveSupport MemCacheStore requires ActiveSupport < 7 (current: #{as_version})"
     end
 
     context "Dalli::Client" do