diff --git a/tox.ini b/tox.ini
index abe4337..41e7456 100644
--- a/tox.ini
+++ b/tox.ini
@@ -49,6 +49,10 @@ ignore = .dockerignore
          tests/**
          tox.ini
 
+[coverage:run]
+concurrency =
+    thread
+patch = subprocess
 [coverage:xml]
 output = .tox/test-reports/coverage.xml
 [coverage:html]