diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 3300f35..f575a7d 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -15,16 +15,16 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-        - 2.1
-        - 2.2
-        - 2.3
-        - 2.4
-        - 2.5
-        - 2.6
-        - 2.7
-        - 3.0
-        - 3.1
-        - 3.2
+        - "2.1"
+        - "2.2"
+        - "2.3"
+        - "2.4"
+        - "2.5"
+        - "2.6"
+        - "2.7"
+        - "3.0"
+        - "3.1"
+        - "3.2"
         - truffleruby-head
         gemfile:
         - gemfiles/rails_3_0.gemfile
@@ -41,125 +41,125 @@ jobs:
         - Gemfile
         - gemfiles/rails_head.gemfile
         exclude:
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: gemfiles/rails_5_0.gemfile
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: gemfiles/rails_5_1.gemfile
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: gemfiles/rails_5_2.gemfile
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: gemfiles/rails_6_0.gemfile
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: gemfiles/rails_6_1.gemfile
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: Gemfile
-        - ruby: 2.1
+        - ruby: "2.1"
           gemfile: gemfiles/rails_head.gemfile
-        - ruby: 2.2
+        - ruby: "2.2"
           gemfile: gemfiles/rails_6_0.gemfile
-        - ruby: 2.2
+        - ruby: "2.2"
           gemfile: gemfiles/rails_6_1.gemfile
-        - ruby: 2.2
+        - ruby: "2.2"
           gemfile: Gemfile
-        - ruby: 2.2
+        - ruby: "2.2"
           gemfile: gemfiles/rails_head.gemfile
-        - ruby: 2.3
+        - ruby: "2.3"
           gemfile: gemfiles/rails_6_0.gemfile
-        - ruby: 2.3
+        - ruby: "2.3"
           gemfile: gemfiles/rails_6_1.gemfile
-        - ruby: 2.3
+        - ruby: "2.3"
           gemfile: Gemfile
-        - ruby: 2.3
+        - ruby: "2.3"
           gemfile: gemfiles/rails_head.gemfile
-        - ruby: 2.4
+        - ruby: "2.4"
           gemfile: gemfiles/rails_6_0.gemfile
-        - ruby: 2.4
+        - ruby: "2.4"
           gemfile: gemfiles/rails_6_1.gemfile
-        - ruby: 2.4
+        - ruby: "2.4"
           gemfile: Gemfile
-        - ruby: 2.4
+        - ruby: "2.4"
           gemfile: gemfiles/rails_head.gemfile
-        - ruby: 2.5
+        - ruby: "2.5"
           gemfile: gemfiles/rails_3_0.gemfile
-        - ruby: 2.5
+        - ruby: "2.5"
           gemfile: gemfiles/rails_6_1.gemfile
-        - ruby: 2.5
+        - ruby: "2.5"
           gemfile: Gemfile
-        - ruby: 2.5
+        - ruby: "2.5"
           gemfile: gemfiles/rails_head.gemfile
-        - ruby: 2.6
+        - ruby: "2.6"
           gemfile: gemfiles/rails_3_0.gemfile
-        - ruby: 2.6
+        - ruby: "2.6"
           gemfile: gemfiles/rails_6_1.gemfile
-        - ruby: 2.6
+        - ruby: "2.6"
           gemfile: Gemfile
-        - ruby: 2.6
+        - ruby: "2.6"
           gemfile: gemfiles/rails_head.gemfile
-        - ruby: 2.7
+        - ruby: "2.7"
           gemfile: gemfiles/rails_3_0.gemfile
-        - ruby: 2.7
+        - ruby: "2.7"
           gemfile: gemfiles/rails_3_1.gemfile
-        - ruby: 2.7
+        - ruby: "2.7"
           gemfile: gemfiles/rails_3_2.gemfile
-        - ruby: 2.7
+        - ruby: "2.7"
           gemfile: gemfiles/rails_4_0.gemfile
-        - ruby: 2.7
+        - ruby: "2.7"
           gemfile: gemfiles/rails_4_1.gemfile
-        - ruby: 2.7
+        - ruby: "2.7"
           gemfile: gemfiles/rails_4_2.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_3_0.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_3_1.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_3_2.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_4_0.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_4_1.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_4_2.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_5_0.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_5_1.gemfile
-        - ruby: 3.0
+        - ruby: "3.0"
           gemfile: gemfiles/rails_5_2.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_3_0.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_3_1.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_3_2.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_4_0.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_4_1.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_4_2.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_5_0.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_5_1.gemfile
-        - ruby: 3.1
+        - ruby: "3.1"
           gemfile: gemfiles/rails_5_2.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_3_0.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_3_1.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_3_2.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_4_0.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_4_1.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_4_2.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_5_0.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_5_1.gemfile
-        - ruby: 3.2
+        - ruby: "3.2"
           gemfile: gemfiles/rails_5_2.gemfile
         - ruby: truffleruby-head
           gemfile: gemfiles/rails_3_0.gemfile
@@ -185,7 +185,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@master
+      uses: actions/checkout@v4
     - name: Nokogiri support for TruffleRuby
       run: sudo apt-get -yqq install libxml2-dev libxslt-dev
       if: ${{ matrix.ruby == 'truffleruby-head' }}
diff --git a/spec/unit/active_attr/attributes_spec.rb b/spec/unit/active_attr/attributes_spec.rb
index 777910d..ba7ccf0 100644
--- a/spec/unit/active_attr/attributes_spec.rb
+++ b/spec/unit/active_attr/attributes_spec.rb
@@ -211,7 +211,7 @@ def self.name
       end
 
       it "returns false when compared to another type" do
-        should_not == Struct.new(:attributes).new("first_name" => "Ben")
+        should_not == Struct.new(:attributes).new({ "first_name" => "Ben" })
       end
     end