diff --git a/testapp/requirements.txt b/testapp/requirements.txt
index a7b5362..abdac88 100644
--- a/testapp/requirements.txt
+++ b/testapp/requirements.txt
@@ -2,4 +2,4 @@
 pytest==6.2.5
 pytest-cov==2.12.1
 pytest-django==4.4.0
-black==20.8b1
+black==26.3.1