diff --git a/appveyor.yml b/appveyor.yml
index 9aa47ea3..90539f8a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -22,6 +22,7 @@ before_build:
 - ps: nuget restore src -Verbosity quiet
 build:
   project: src\pclcrypto.sln
+  parallel: true
   verbosity: minimal
 artifacts:
 - path: bin\**\*.nupkg