diff --git a/Library/Homebrew/requirement.rb b/Library/Homebrew/requirement.rb
index 38ebe87721..510e7836b7 100644
--- a/Library/Homebrew/requirement.rb
+++ b/Library/Homebrew/requirement.rb
@@ -126,7 +126,7 @@ class Requirement
   alias eql? ==
 
   def hash
-    [name, tags].hash
+    [self.class, name, tags].hash
   end
 
   sig { returns(String) }
diff --git a/Library/Homebrew/requirements/macos_requirement.rb b/Library/Homebrew/requirements/macos_requirement.rb
index f900a626d0..f1f855ae16 100644
--- a/Library/Homebrew/requirements/macos_requirement.rb
+++ b/Library/Homebrew/requirements/macos_requirement.rb
@@ -88,6 +88,15 @@ class MacOSRequirement < Requirement
     end
   end
 
+  def ==(other)
+    super(other) && comparator == other.comparator && version == other.version
+  end
+  alias eql? ==
+
+  def hash
+    [super, comparator, version].hash
+  end
+
   sig { returns(String) }
   def inspect
     "#<#{self.class.name}: version#{@comparator}#{@version.to_s.inspect} #{tags.inspect}>"