diff --git a/appveyor.yml b/appveyor.yml
index 371dbd7..bd09e21 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,3 +7,5 @@ build:
   publish_nuget_symbols: true
   include_nuget_references: true
   verbosity: normal
+before_build:
+  - nuget restore