diff --git a/.travis.yml b/.travis.yml
index 513ef77c..53be47bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 language: cpp
+sudo: required
 
 os:
   - linux
diff --git a/appveyor.yml b/appveyor.yml
index d2d9275e..f7f3cff8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -25,6 +25,7 @@ os: Visual Studio 2017
 
 platform:
   - x86
+  - x64
 
 configuration:
   - Release