diff --git a/appveyor.yml b/appveyor.yml
index 0fdd51262d2..1ef0b91da04 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@ environment:
 
 init:
   - ps: Install-Product node $env:nodejs_version x64
-  - cmd: set NODE_OPTIONS=--max-old-space-size=1024
+  - cmd: set NODE_OPTIONS=--max-old-space-size=4096
 
 cache:
   - node_modules -> package.json