diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index 3b988d18943735..08c3bfb7999350 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -8,7 +8,7 @@ docutils==0.21.2
 pygments==2.19.2
 urllib3==2.5.0
 pytest==8.4.1
-isort==6.0.1
+isort==7.0.0
 black==25.1.0
 flake8==7.3.0
 mypy==1.17.1