diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index d57c00e6c8bd11..9a9446d4a2a9ca 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==7.2.6
+sphinx==7.4.5
 sphinxcontrib-programoutput==0.17
 sphinx_design==0.5.0
 sphinx-rtd-theme==2.0.0