diff --git a/pyproject.toml b/pyproject.toml
index 33874cf1..f2012933 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ speed = [
     "betfairlightweight[speed]==2.22.0"
 ]
 test = [
-    "black==25.1.0",
+    "black==25.11.0",
     "coverage",
     "pre-commit",
     "mkdocs",
diff --git a/requirements.txt b/requirements.txt
index a526b27d..2479d20c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ smart-open>=6,<8
 betdaq-retail==0.2.0
 
 # Tests & Linting
-black==25.1.0
+black==25.11.0
 coverage
 pre-commit