diff --git a/.travis.yml b/.travis.yml
index e98c3c03e..70c2cdc63 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: rust
 
 rust:
-  - stable
+  #- stable
   - beta
   - nightly
 sudo: false
diff --git a/appveyor.yml b/appveyor.yml
index 75c11da0d..9c96de43c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@ environment:
   - TARGET: x86_64-pc-windows-msvc
 install:
   - curl -sSf -o rustup-init.exe https://win.rustup.rs/
-  - rustup-init.exe -y --default-host %TARGET%
+  - rustup-init.exe -y --default-host %TARGET% --default-toolchain beta
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
   - rustc -V
   - cargo -V