diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index 2b8e73d6415..4bfbc257668 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -10,4 +10,4 @@ pytest==8.2.0
 isort==5.13.2
 black==24.4.0
 flake8==7.0.0
-mypy==1.9.0
+mypy==1.10.0