diff --git a/.github/shared/setup/action.yaml b/.github/shared/setup/action.yaml
new file mode 100644
index 0000000..bc7ca11
--- /dev/null
+++ b/.github/shared/setup/action.yaml
@@ -0,0 +1,11 @@
+name: "setup ruby"
+description: "setup ruby"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        bundler-cache: true
+        working-directory: ./2024/ruby
diff --git a/.github/workflows/2018-ruby.yaml b/.github/workflows/2018-ruby.yaml
index f3ab9e0..f2a78b0 100644
--- a/.github/workflows/2018-ruby.yaml
+++ b/.github/workflows/2018-ruby.yaml
@@ -26,5 +26,6 @@ jobs:
       with:
         ruby-version: ${{ steps.determine-ruby-version.outputs.VERSION }}
         bundler-cache: true
+        working-directory: ./2018/ruby
     - name: Run tests
       run: bundle exec rspec
diff --git a/.github/workflows/2021-ruby.yaml b/.github/workflows/2021-ruby.yaml
index e3ad965..9231707 100644
--- a/.github/workflows/2021-ruby.yaml
+++ b/.github/workflows/2021-ruby.yaml
@@ -26,5 +26,6 @@ jobs:
       with:
         ruby-version: ${{ steps.determine-ruby-version.outputs.VERSION }}
         bundler-cache: true
+        working-directory: ./2021/ruby
     - name: Run tests
       run: bundle exec rspec
diff --git a/.github/workflows/2024-ruby.yaml b/.github/workflows/2024-ruby.yaml
index e2571b5..72ae51d 100644
--- a/.github/workflows/2024-ruby.yaml
+++ b/.github/workflows/2024-ruby.yaml
@@ -3,7 +3,6 @@ name: 2024-ruby
 on:
   pull_request:
   push:
-    branches: [master]
     paths:
         - 2024/ruby/**
 
@@ -12,14 +11,19 @@ defaults:
     working-directory: ./2024/ruby
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Ruby
+        uses: ./.github/shared/setup
+      - name: Run rubocop
+        run: bundle exec rubocop
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        bundler-cache: true
-        working-directory: ./2024/ruby
-    - name: Run tests
-      run: bundle exec rspec
+      - uses: actions/checkout@v3
+      - name: Setup Ruby
+        uses: ./.github/shared/setup
+      - name: Run tests
+        run: bundle exec rspec
diff --git a/2018/ruby/spec/advent_03_spec.rb b/2018/ruby/spec/advent_03_spec.rb
index 073cebe..796e22b 100644
--- a/2018/ruby/spec/advent_03_spec.rb
+++ b/2018/ruby/spec/advent_03_spec.rb
@@ -29,7 +29,7 @@
     expect(rectangle.width).to eq(4)
   end
 
-  it "solves the puzzle", solution: true do
+  it "solves the puzzle", solution: true, slow: true do
     reader = ClaimReader.new(puzzle_input)
     claims = reader.process
 
diff --git a/2018/ruby/spec/advent_05_spec.rb b/2018/ruby/spec/advent_05_spec.rb
index 7a3c45c..caac678 100644
--- a/2018/ruby/spec/advent_05_spec.rb
+++ b/2018/ruby/spec/advent_05_spec.rb
@@ -24,7 +24,7 @@
     end
   end
 
-  xit "solves part 1" do
+  it "solves part 1", slow: true do
     reader = AlchemicalReduction.new(puzzle_input)
     reader.process
 
@@ -55,7 +55,7 @@
     expect(lowest[1]).to eq(4)
   end
 
-  xit "solves part 2" do
+  it "solves part 2", slow: true do
     counts = {}
 
     ('a'..'z').each do |letter|
diff --git a/2018/ruby/spec/advent_06_spec.rb b/2018/ruby/spec/advent_06_spec.rb
index f33941b..107760d 100644
--- a/2018/ruby/spec/advent_06_spec.rb
+++ b/2018/ruby/spec/advent_06_spec.rb
@@ -30,18 +30,17 @@
     expect(c.largest_area).to eq(17)
   end
 
-  xit "solves part 1" do
+  it "solves part 1", slow: true do
     coordinates = puzzle_input.collect do |item|
       Coordinate.new(item[0], item[1])
     end
 
     c = ChronalCoordinates.new(coordinates)
-    # c.print_grid
 
     expect(c.largest_area).to eq(3401)
   end
 
-  it "solves part 2" do
+  it "solves part 2", slow: true do
     coordinates = puzzle_input.collect do |item|
       Coordinate.new(item[0], item[1])
     end
diff --git a/2018/ruby/spec/advent_07_spec.rb b/2018/ruby/spec/advent_07_spec.rb
index 4e5dfe9..3a0a584 100644
--- a/2018/ruby/spec/advent_07_spec.rb
+++ b/2018/ruby/spec/advent_07_spec.rb
@@ -58,7 +58,7 @@ def create_graph(input, weighted = false, seed_weight = 0)
     expect(orderer.compressed_order).to eq("CABDFE")
   end
 
-  xit "figures out the puzzle order" do
+  it "figures out the puzzle order", slow: true do
     graph = create_graph(puzzle_input)
 
     orderer = Orderer.new(graph)
@@ -76,7 +76,7 @@ def create_graph(input, weighted = false, seed_weight = 0)
     expect(seconds).to eq(15)
   end
 
-  xit "figures out part 2 puzzle order" do
+  it "figures out part 2 puzzle order", slow: true do
     graph = create_graph(puzzle_input, true, 60)
 
     orderer = Orderer.new(graph)