diff --git a/caster-back/requirements-test.txt b/caster-back/requirements-test.txt
index 991cd971..1706f1db 100644
--- a/caster-back/requirements-test.txt
+++ b/caster-back/requirements-test.txt
@@ -3,6 +3,6 @@
 mixer==7.2.2
 mypy==1.4.1
 coverage==7.3.0
-black==23.7.0
+black==23.9.1
 unittest-xml-reporting==3.2.0
 django-stubs==4.2.3