diff --git a/appveyor.yml b/appveyor.yml
index 79cca1fb..e6f93604 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -19,7 +19,7 @@ install:
   - cd ..
   - git clone https://github.com/boostorg/boost.git boost
   - cd boost
-  - git checkout boost-1.64.0
+#  - git checkout boost-1.64.0
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\beast\
   - git submodule update --init tools/build
   - git submodule update --init libs/config