diff --git a/requirements-test.txt b/requirements-test.txt
index 851f7eb..97134ac 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,7 +1,7 @@
 pip==26.0.1
 invoke==2.2.1
 pytest==9.0.2
-black==26.3.0
+black==26.3.1
 flake8==7.3.0
 flake8-annotations==3.2.0
 flake8-import-order==0.19.2