diff --git a/appveyor.yml b/appveyor.yml
index a79199b..9959fde 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -55,4 +55,4 @@ build_script:
   - cmake --build . --config %CONFIG%
 
 test_script:
-  - ctest -C %CONFIG%
+  - ctest -C %CONFIG% --timeout 150 --output-on-failure