diff --git a/tests/requirements.txt b/tests/requirements.txt
index 54e4254..bccf829 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,4 @@
-black==19.10b0
+black==26.5.0
 codecov==2.0.22
 devtools==0.5.1
 pylint==2.4.4