diff --git a/spec/active_record/oracle_enhanced/type/binary_spec.rb b/spec/active_record/oracle_enhanced/type/binary_spec.rb
index 99d243acc..244af7c4b 100644
--- a/spec/active_record/oracle_enhanced/type/binary_spec.rb
+++ b/spec/active_record/oracle_enhanced/type/binary_spec.rb
@@ -137,21 +137,21 @@ class ::TestSerializedHashEmployee < ActiveRecord::Base
   it "should find serialized NULL BLOB data when queried with nil" do
     TestSerializedEmployee.delete_all
     TestSerializedEmployee.create!(binary_data: nil)
-    TestSerializedEmployee.create!(binary_data: { data: 'some data' })
+    TestSerializedEmployee.create!(binary_data: { data: "some data" })
     expect(TestSerializedEmployee.where(binary_data: nil)).to have_attributes(count: 1)
   end
 
   it "should find serialized Hash NULL BLOB data when queried with nil" do
     TestSerializedHashEmployee.delete_all
     TestSerializedHashEmployee.create!(binary_data: nil)
-    TestSerializedHashEmployee.create!(binary_data: { data: 'some data' })
+    TestSerializedHashEmployee.create!(binary_data: { data: "some data" })
     expect(TestSerializedHashEmployee.where(binary_data: nil)).to have_attributes(count: 1)
   end
 
   it "should find serialized Hash NULL BLOB data when queried with {}" do
     TestSerializedHashEmployee.delete_all
     TestSerializedHashEmployee.create!(binary_data: nil)
-    TestSerializedHashEmployee.create!(binary_data: { data: 'some data' })
+    TestSerializedHashEmployee.create!(binary_data: { data: "some data" })
     expect(TestSerializedHashEmployee.where(binary_data: {})).to have_attributes(count: 1)
   end
 end
diff --git a/spec/active_record/oracle_enhanced/type/text_spec.rb b/spec/active_record/oracle_enhanced/type/text_spec.rb
index e4cf15622..d9e2e47f3 100644
--- a/spec/active_record/oracle_enhanced/type/text_spec.rb
+++ b/spec/active_record/oracle_enhanced/type/text_spec.rb
@@ -257,21 +257,21 @@ class ::TestSerializeEmployee < ActiveRecord::Base
   it "should find serialized NULL CLOB data when queried with nil" do
     TestSerializeEmployee.delete_all
     TestSerializeEmployee.create!(comments: nil)
-    TestSerializeEmployee.create!(comments: { some: 'text' })
+    TestSerializeEmployee.create!(comments: { some: "text" })
     expect(TestSerializeEmployee.where(comments: nil)).to have_attributes(count: 1)
   end
 
   it "should find serialized Hash NULL CLOB data when queried with nil" do
     TestSerializedHashEmployee.delete_all
     TestSerializedHashEmployee.create!(comments: nil)
-    TestSerializedHashEmployee.create!(comments: { some: 'text' })
+    TestSerializedHashEmployee.create!(comments: { some: "text" })
     expect(TestSerializedHashEmployee.where(comments: nil)).to have_attributes(count: 1)
   end
 
   it "should find serialized Hash NULL CLOB data when queried with {}" do
     TestSerializedHashEmployee.delete_all
     TestSerializedHashEmployee.create!(comments: nil)
-    TestSerializedHashEmployee.create!(comments: { some: 'text' })
+    TestSerializedHashEmployee.create!(comments: { some: "text" })
     expect(TestSerializedHashEmployee.where(comments: {})).to have_attributes(count: 1)
   end
 end