diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index e954238c956..7e89c8a9a1e 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==6.2.1
+sphinx==7.2.2
 sphinxcontrib-programoutput==0.17
 sphinx_design==0.5.0
 sphinx-rtd-theme==1.3.0