diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index 8e0893a838b968..0c905ca6d6c323 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -5,7 +5,7 @@ sphinx-rtd-theme==1.3.0
 python-levenshtein==0.21.1
 docutils==0.20.1
 pygments==2.16.1
-urllib3==2.0.4
+urllib3==2.0.5
 pytest==7.4.2
 isort==5.12.0
 black==23.9.1