diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5a3335c6..cb5a4f6a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@
 # Tests
 pytest==9.0.3
 pytest-cov==7.1.0
-black==26.3.1
+black==26.5.1
 httpx==0.28.1
 pytest-testdox==3.1.0
 mock==5.2.0