diff --git a/extra/appveyor/appveyor.yml b/extra/appveyor/appveyor.yml
index b081aa9a3..bb2b577c3 100644
--- a/extra/appveyor/appveyor.yml
+++ b/extra/appveyor/appveyor.yml
@@ -38,7 +38,7 @@ before_build:
 - cmake -G "%GENERATOR%" -H. -Bbuild
 
 build_script:
-- cmake --build build --target PACKAGE --config Release
+- cmake --build build --target PACKAGE --config Release -j2
 
 after_build: