diff --git a/spec/multi_json_spec.rb b/spec/multi_json_spec.rb
index 323bff9f..b3ffb4f5 100644
--- a/spec/multi_json_spec.rb
+++ b/spec/multi_json_spec.rb
@@ -166,8 +166,8 @@
     end
 
     it 'sets both load and dump options' do
-      expect(MultiJson).to receive(:dump_options=).with(:foo => 'bar')
-      expect(MultiJson).to receive(:load_options=).with(:foo => 'bar')
+      expect(MultiJson).to receive(:dump_options=).with({:foo => 'bar'})
+      expect(MultiJson).to receive(:load_options=).with({:foo => 'bar'})
       silence_warnings { MultiJson.default_options = {:foo => 'bar'} }
     end
   end
diff --git a/spec/shared/adapter.rb b/spec/shared/adapter.rb
index e850b99b..52a6bc92 100644
--- a/spec/shared/adapter.rb
+++ b/spec/shared/adapter.rb
@@ -19,7 +19,7 @@
       before { MultiJson.dump_options = MultiJson.adapter.dump_options = {} }
 
       after do
-        expect(MultiJson.adapter.instance).to receive(:dump).with(1, :foo => 'bar', :fizz => 'buzz')
+        expect(MultiJson.adapter.instance).to receive(:dump).with(1, {:foo => 'bar', :fizz => 'buzz'})
         MultiJson.dump(1, :fizz => 'buzz')
         MultiJson.dump_options = MultiJson.adapter.dump_options = nil
       end
@@ -100,8 +100,8 @@
     end
 
     it 'passes options to the adapter' do
-      expect(MultiJson.adapter).to receive(:dump).with('foo', :bar => :baz)
-      MultiJson.dump('foo', :bar => :baz)
+      expect(MultiJson.adapter).to receive(:dump).with('foo', {:bar => :baz})
+      MultiJson.dump('foo', {:bar => :baz})
     end
 
     it 'dumps custom objects that implement to_json' do
@@ -128,7 +128,7 @@ def to_json(*)
       before { MultiJson.load_options = MultiJson.adapter.load_options = {} }
 
       after do
-        expect(MultiJson.adapter.instance).to receive(:load).with('1', :foo => 'bar', :fizz => 'buzz')
+        expect(MultiJson.adapter.instance).to receive(:load).with('1', {:foo => 'bar', :fizz => 'buzz'})
         MultiJson.load('1', :fizz => 'buzz')
         MultiJson.load_options = MultiJson.adapter.load_options = nil
       end
diff --git a/spec/shared/json_common_adapter.rb b/spec/shared/json_common_adapter.rb
index 9597d903..5a23c386 100644
--- a/spec/shared/json_common_adapter.rb
+++ b/spec/shared/json_common_adapter.rb
@@ -15,7 +15,7 @@
     describe 'with :indent option' do
       it 'passes it on dump' do
         object = 'foo'
-        expect(object).to receive(:to_json).with(:indent => "\t")
+        expect(object).to receive(:to_json).with({:indent => "\t"})
         MultiJson.dump(object, :indent => "\t")
       end
     end
@@ -23,7 +23,7 @@
 
   describe '.load' do
     it 'passes :quirks_mode option' do
-      expect(::JSON).to receive(:parse).with('[123]', :quirks_mode => false, :create_additions => false)
+      expect(::JSON).to receive(:parse).with('[123]', {:quirks_mode => false, :create_additions => false})
       MultiJson.load('[123]', :quirks_mode => false)
     end
   end