diff --git a/requirements-dev.txt b/requirements-dev.txt
index c36dc90..89fd13a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@
 # `.flake8`!
 
 bandit[toml] >=1.0, <2.0
-black >=23.0, <24.0
+black >=23.0, <26.0
 flake8 >=7.0, <8.0
 flake8-bandit >=4.0, <5.0
 flake8-bugbear >=24.0, <25.0