diff --git a/requirements-dev.txt b/requirements-dev.txt
index 39ee357..8ff1d00 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
 -r requirements.txt
-black
-ruff
+black==26.5.1
+ruff==0.15.21