diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 9541344..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: Ruby
-
-on:
-  push:
-    branches:
-      - main
-
-  pull_request:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    name: Ruby ${{ matrix.ruby }}
-    strategy:
-      matrix:
-        ruby:
-          - '3.2.0'
-
-    steps:
-    - uses: actions/checkout@v3
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{ matrix.ruby }}
-        bundler-cache: true
-    - name: Run the default task
-      run: bundle exec rake
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 50b0d1d..395d0d5 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -1,38 +1,35 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
-# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
-
 name: Ruby
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 permissions:
   contents: read
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        ruby-version: ['2.7', '3.0']
+        ruby-version:
+          - "3.2"
+          - "3.3"
+          - "3.4"
+
+    name: Ruby ${{ matrix.ruby-version }}
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Ruby
-    # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
-    # change this to (see https://github.com/ruby/setup-ruby#versioning):
-    # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@55283cc23133118229fd3f97f9336ee23a179fcf # v1.146.0
-      with:
-        ruby-version: ${{ matrix.ruby-version }}
-        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-    - name: Run tests
-      run: bundle exec rake
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby ${{ matrix.ruby-version }}
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+
+      - name: Run tests
+        run: bundle exec rake
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..f989260
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.4.4
diff --git a/Gemfile.lock b/Gemfile.lock
index 1b5fb49..25a54b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,6 +2,7 @@ PATH
   remote: .
   specs:
     kickplan-sdk (0.1.0)
+      bigdecimal
       concurrent-ruby (>= 1.0)
       dry-configurable (>= 1.0)
       dry-struct (>= 1.0)
@@ -13,6 +14,8 @@ GEM
   specs:
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
+    base64 (0.3.0)
+    bigdecimal (3.1.8)
     coderay (1.1.3)
     concurrent-ruby (1.0.3)
     crack (0.4.5)
@@ -79,6 +82,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  base64
   bundler (~> 2.0)
   dotenv (~> 2.0)
   kickplan-sdk!
diff --git a/kickplan-sdk-0.1.0.gem b/kickplan-sdk-0.1.0.gem
index ea4aff0..bf34c7c 100644
Binary files a/kickplan-sdk-0.1.0.gem and b/kickplan-sdk-0.1.0.gem differ
diff --git a/kickplan.gemspec b/kickplan.gemspec
index 6e6a7fe..8c993d1 100644
--- a/kickplan.gemspec
+++ b/kickplan.gemspec
@@ -25,7 +25,9 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "dry-struct", ">= 1.0"
   spec.add_runtime_dependency "dry-types", ">= 1.7"
   spec.add_runtime_dependency "faraday", ">= 1.0"
+  spec.add_runtime_dependency "bigdecimal" # Required for Ruby 3.4+
 
+  spec.add_development_dependency "base64" # Required for Ruby 3.4+
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "dotenv", "~> 2.0"
   spec.add_development_dependency "pry", "~> 0.14"
diff --git a/lib/kickplan/concurrency.rb b/lib/kickplan/concurrency.rb
index 78cc6fb..22b8289 100644
--- a/lib/kickplan/concurrency.rb
+++ b/lib/kickplan/concurrency.rb
@@ -33,7 +33,13 @@ def unset(name)
     private
 
     def memoization_variable(name)
-      ["@", name.to_s].join
+      # Extract just the method name from patterns like "Kickplan::Client#adapter"
+      method_name = name.to_s.split('#').last || name.to_s
+      # Replace any non-alphanumeric characters with underscores
+      sanitized = method_name.gsub(/[^a-zA-Z0-9_]/, '_')
+      # Ensure it starts with a letter or underscore
+      sanitized = "_#{sanitized}" unless sanitized.match?(/\A[a-zA-Z_]/)
+      ["@", sanitized].join
     end
 
     module Initializer