diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index 279a910169b893..6d7188123c9226 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -13,4 +13,4 @@ pytest==8.4.2
 isort==6.0.1
 black==25.1.0
 flake8==7.3.0
-mypy==1.18.1
+mypy==1.18.2