diff --git a/requirements.txt b/requirements.txt
index 17ca90e..26762c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,8 +5,8 @@ polars~=1.38.1
 dash~=3.4.0
 pytest~=9.0.2
 pylint~=4.0.5
-black~=26.1.0
-black[jupyter]~=26.1.0
+black~=26.3.0
+black[jupyter]~=26.3.0
 pyodbc~=5.3.0
 numpy~=2.4.2
 gov-uk-dashboards~=28.2.0