diff --git a/.travis.yml b/.travis.yml
index 698b30efa..70c605a7c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,10 @@ matrix:
     - os: osx
       osx_image: xcode8
       language: generic
+cache:
+  directories:
+    - $HOME/.dotnet
+    - $HOME/.nuget
 addons:
   artifacts:
     s3_region: "us-west-2"
diff --git a/appveyor.yml b/appveyor.yml
index f743073eb..6ef542b11 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,8 @@
 version: 0.5.0.{build}
 
+cache:
+  - '%LocalAppData%\Microsoft\dotnet'
+
 nuget:
   project_feed: true