diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 070c390..02d336e 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -16,7 +16,7 @@
 
 def load_json_fixtures(fname)
   JSON.parse(
-    IO.read(fname),
+    File.read(fname),
     symbolize_names: true
   )
 end
diff --git a/spec/unit_test/db/vk_informer_wall_spec.rb b/spec/unit_test/db/vk_informer_wall_spec.rb
index fd5e213..18673e2 100644
--- a/spec/unit_test/db/vk_informer_wall_spec.rb
+++ b/spec/unit_test/db/vk_informer_wall_spec.rb
@@ -66,7 +66,7 @@
       fn = 'vk_informer_wall_spec/wall.get.1.json'
       @stub = stub_request(:post, 'https://api.vk.com/method/wall.get')
               .to_return(
-                body: IO.read("#{File.dirname(__FILE__)}/../../fixtures/#{fn}")
+                body: File.read("#{File.dirname(__FILE__)}/../../fixtures/#{fn}")
               )
     end