diff --git a/.travis.yml b/.travis.yml
index 24c62db..f9096d0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,12 +2,26 @@ language: julia
 os:
   - linux
   - osx
+  - windows
+arch:
+  - x64
+  - x86
+  - arm64
 julia:
   - 1.3
   - nightly
 matrix:
   allow_failures:
   - julia: nightly
+  exclude:
+    - os: osx
+      arch: x86
+    - os: osx
+      arch: arm64
+    - os: windows
+      arch: arm64
+    - julia: nightly
+      arch: arm64
 notifications:
     email: false
 
diff --git a/appveyor.yml b/appveyor.yml
index f1a5587..906a477 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,6 +4,7 @@ environment:
   - julia_version: nightly
 
 platform:
+  - x86 # 32-bit
   - x64 # 64-bit
 
 matrix: