diff --git a/requirements_cove_dev.txt b/requirements_cove_dev.txt
index fbfa4de..805be8d 100644
--- a/requirements_cove_dev.txt
+++ b/requirements_cove_dev.txt
@@ -20,7 +20,7 @@ babel==2.17.0
     # via sphinx
 backports-datetime-fromisoformat==2.0.3
     # via flattentool
-black==26.3.1
+black==26.10.1
     # via -r requirements_cove_dev.in
 bleach==6.4.0
     # via -r requirements_cove.in
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5b2d384..9c803d2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile requirements_dev.in
 #
-black==26.3.1
+black==26.10.1
     # via -r requirements_dev.in
 click==8.1.8
     # via black