diff --git a/appveyor.yml b/appveyor.yml
index 1b0032d0d0..c7e5cec68c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -19,7 +19,7 @@ before_build:
 build_script:
 - ps: .\build.ps1 -Target "AppVeyor" -Platform "$env:platform" -Configuration "$env:configuration"
 after_build:
-- .\packages\JetBrains.dotMemoryUnit.2.3.20160517.113140\tools\dotMemoryUnit.exe -targetExecutable="%xunit20%\xunit.console.x86.exe" -returnTargetExitCode  --"tests\Avalonia.LeakTests\bin\Release\Avalonia.LeakTests.dll"
+- .\packages\JetBrains.dotMemoryUnit.2.1.20150828.125449\tools\dotMemoryUnit.exe -targetExecutable="%xunit20%\xunit.console.x86.exe" -returnTargetExitCode  --"tests\Avalonia.LeakTests\bin\Release\Avalonia.LeakTests.dll"
 test: off
 cache:
   - gtk-sharp-2.12.26.msi