diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index 3b988d18943735..6bf91c57b846de 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -9,6 +9,6 @@ pygments==2.19.2
 urllib3==2.5.0
 pytest==8.4.1
 isort==6.0.1
-black==25.1.0
+black==25.11.0
 flake8==7.3.0
 mypy==1.17.1