diff --git a/.gitignore b/.gitignore
index 45f5a7da3..f0426ce69 100644
--- a/.gitignore
+++ b/.gitignore
@@ -92,3 +92,7 @@ vendor/splitbrain/php-cli/screenshot*
 vendor/splitbrain/php-cli/generate-api.sh
 vendor/splitbrain/php-cli/apigen.neon
 
+# PHPUnit tests
+phpunit.phar
+.phpunit.result.cache
+_test/data/