diff --git a/.github/workflows/exercise-tests.yml b/.github/workflows/exercise-tests.yml
index 33df406432..8ed279c0f3 100644
--- a/.github/workflows/exercise-tests.yml
+++ b/.github/workflows/exercise-tests.yml
@@ -19,10 +19,10 @@ jobs:
         ruby-version: [3.2, 3.3]
 
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771
+        uses: ruby/setup-ruby@8d27f39a5e7ad39aebbcbd1324f7af020229645c
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true
diff --git a/.github/workflows/generator-tests.yml b/.github/workflows/generator-tests.yml
index 2445790607..582b8d2cee 100644
--- a/.github/workflows/generator-tests.yml
+++ b/.github/workflows/generator-tests.yml
@@ -12,9 +12,9 @@ jobs:
     name: Check Generator Templates
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Set up Ruby
-        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771
+        uses: ruby/setup-ruby@8d27f39a5e7ad39aebbcbd1324f7af020229645c
         with:
           ruby-version: "3.3"
           bundler-cache: true
@@ -24,9 +24,9 @@ jobs:
     name: Test Generator
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: Set up Ruby
-        uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771
+        uses: ruby/setup-ruby@8d27f39a5e7ad39aebbcbd1324f7af020229645c
         with:
           ruby-version: "3.3"
           bundler-cache: true
diff --git a/concepts/advanced-enumeration/about.md b/concepts/advanced-enumeration/about.md
index afa1e3cdfe..d5e7c2b63b 100644
--- a/concepts/advanced-enumeration/about.md
+++ b/concepts/advanced-enumeration/about.md
@@ -14,12 +14,12 @@ fibonacci.none?  { |number| number > 20 }   #=> true
 fibonacci.select { |number| number.odd? }   #=> [1, 1, 3, 5, 13]
 fibonacci.all?   { |number| number < 20 }   #=> true
 fibonacci.map    { |number| number * 2  }   #=> [0, 2, 2, 4, 6, 10, 16, 26]
-fibonacci.select { |number| number >= 5}    #=> [5, 8, 13]
-fibonacci.find   { |number| number >= 5}    #=> 5
+fibonacci.select { |number| number >= 5 }   #=> [5, 8, 13]
+fibonacci.find   { |number| number >= 5 }   #=> 5
 
 # Some methods work with or without a block
 fibonacci.sum  #=> 33
-fibonacci.sum {| number | number * number }  #=> 273
+fibonacci.sum { |number| number * number }  #=> 273
 
 # There are also methods to help with nested arrays:
 animals = [ ['cat', 'bob'], ['horse', 'caris'], ['mouse', 'arya'] ]
diff --git a/concepts/advanced-enumeration/introduction.md b/concepts/advanced-enumeration/introduction.md
index 5a20fb38a2..f2ccb0bcde 100644
--- a/concepts/advanced-enumeration/introduction.md
+++ b/concepts/advanced-enumeration/introduction.md
@@ -14,12 +14,12 @@ fibonacci.none?  { |number| number > 20 }   #=> true
 fibonacci.select { |number| number.odd? }   #=> [1, 1, 3, 5, 13]
 fibonacci.all?   { |number| number < 20 }   #=> true
 fibonacci.map    { |number| number * 2  }   #=> [0, 2, 2, 4, 6, 10, 16, 26]
-fibonacci.select { |number| number >= 5}    #=> [5, 8, 13]
-fibonacci.find   { |number| number >= 5}    #=> 5
+fibonacci.select { |number| number >= 5 }   #=> [5, 8, 13]
+fibonacci.find   { |number| number >= 5 }   #=> 5
 
 # Some methods work with or without a block
 fibonacci.sum  #=> 33
-fibonacci.sum {| number | number * number }  #=> 273
+fibonacci.sum { |number| number * number }  #=> 273
 
 # There are also methods to help with nested arrays:
 animals = [ ['cat', 'bob'], ['horse', 'caris'], ['mouse', 'arya'] ]
diff --git a/exercises/concept/boutique-inventory-improvements/.docs/instructions.md b/exercises/concept/boutique-inventory-improvements/.docs/instructions.md
index b60f347dd3..34fc952837 100644
--- a/exercises/concept/boutique-inventory-improvements/.docs/instructions.md
+++ b/exercises/concept/boutique-inventory-improvements/.docs/instructions.md
@@ -1,6 +1,8 @@
 # Instructions
 
-You're continuing to work on the stock management system you built previously. Since discovering `OpenStruct` and block shortcuts, you've decided to refactor the code a little. Rather than storing the items as hashes, you're going to utilize your newfound skills.
+You're continuing to work on the stock management system you built previously.
+Since discovering `OpenStruct` and block shortcuts, you've decided to refactor the code a little.
+Rather than storing the items as hashes, you're going to utilize your newfound skills.
 
 ## 1. Allow retrievable of items
 
@@ -24,7 +26,7 @@ inventory.items.size
 # => 4
 ```
 
-# 2. Refactor `item_names` 
+## 2. Refactor `item_names`
 
 Refactor `item_names` to use the new block shortcut you've learnt rather than hashes.
 As a reminder, the method should return:
@@ -40,11 +42,10 @@ BoutiqueInventory.new([
 # => ["Bamboo Socks Cats", "Black Short Skirt", "Maxi Brown Dress", "Red Short Skirt"]
 ```
 
+## 3. Refactor `total_stock`
 
-# 2. Refactor `total_stock`
-
-Refactor `total_stock` to use the openstruct's method, rather than referencing a hash.
-As a reminder, the method should return::
+Refactor `total_stock` to use the OpenStruct's method, rather than referencing a hash.
+As a reminder, the method should return:
 
 ```ruby
 BoutiqueInventory.new([
diff --git a/exercises/concept/boutique-inventory/.docs/introduction.md b/exercises/concept/boutique-inventory/.docs/introduction.md
index d7cf341980..7d88a22671 100644
--- a/exercises/concept/boutique-inventory/.docs/introduction.md
+++ b/exercises/concept/boutique-inventory/.docs/introduction.md
@@ -14,12 +14,12 @@ fibonacci.none?  { |number| number > 20 }   #=> true
 fibonacci.select { |number| number.odd? }   #=> [1, 1, 3, 5, 13]
 fibonacci.all?   { |number| number < 20 }   #=> true
 fibonacci.map    { |number| number * 2  }   #=> [0, 2, 2, 4, 6, 10, 16, 26]
-fibonacci.select { |number| number >= 5}    #=> [5, 8, 13]
-fibonacci.find   { |number| number >= 6}    #=> 8
+fibonacci.select { |number| number >= 5 }   #=> [5, 8, 13]
+fibonacci.find   { |number| number >= 6 }   #=> 8
 
 # Some methods work with or without a block
 fibonacci.sum  #=> 33
-fibonacci.sum {| number | number * number }  #=> 273
+fibonacci.sum { |number| number * number }  #=> 273
 
 # There are also methods to help with nested arrays:
 animals = [ ['cat', 'bob'], ['horse', 'caris'], ['mouse', 'arya'] ]
diff --git a/exercises/concept/moviegoer/moviegoer_test.rb b/exercises/concept/moviegoer/moviegoer_test.rb
index c31a3e4641..892ffcc615 100644
--- a/exercises/concept/moviegoer/moviegoer_test.rb
+++ b/exercises/concept/moviegoer/moviegoer_test.rb
@@ -23,7 +23,8 @@ def test_members_get_free_popcorn
   end
 
   def test_regular_moviegoers_dont_get_free_popcorn
-    assert_raises NotMovieClubMemberError do
+    expected_exception = Moviegoer.include?(NotMovieClubMemberError) ? Moviegoer::NotMovieClubMemberError : NotMovieClubMemberError
+    assert_raises expected_exception do
       Moviegoer.new(25, member: false).claim_free_popcorn!
     end
   end
diff --git a/exercises/concept/simple-calculator/simple_calculator_test.rb b/exercises/concept/simple-calculator/simple_calculator_test.rb
index 1b26e42796..7b1c8b8023 100644
--- a/exercises/concept/simple-calculator/simple_calculator_test.rb
+++ b/exercises/concept/simple-calculator/simple_calculator_test.rb
@@ -27,14 +27,17 @@ def test_no_number_second_operand_raises_exception
   end
 
   def test_raises_exception_for_non_valid_operations
-    assert_raises(SimpleCalculator::UnsupportedOperation) { SimpleCalculator.calculate(1, 2, '**') }
+    expected_exception = SimpleCalculator.include?(UnsupportedOperation) ? SimpleCalculator::UnsupportedOperation : UnsupportedOperation
+    assert_raises(expected_exception) { SimpleCalculator.calculate(1, 2, '**') }
   end
 
   def test_raises_exception_when_operation_is_nil
-    assert_raises(SimpleCalculator::UnsupportedOperation) { SimpleCalculator.calculate(1, 2, nil) }
+    expected_exception = SimpleCalculator.include?(UnsupportedOperation) ? SimpleCalculator::UnsupportedOperation : UnsupportedOperation
+    assert_raises(expected_exception) { SimpleCalculator.calculate(1, 2, nil) }
   end
 
   def test_raises_exception_when_operation_is_an_empty_string
-    assert_raises(SimpleCalculator::UnsupportedOperation) { SimpleCalculator.calculate(1, 2, '') }
+    expected_exception = SimpleCalculator.include?(UnsupportedOperation) ? SimpleCalculator::UnsupportedOperation : UnsupportedOperation
+    assert_raises(expected_exception) { SimpleCalculator.calculate(1, 2, '') }
   end
 end