diff --git a/docs/requirements.txt b/docs/requirements.txt
index 57eccb7..f08c389 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,6 +1,6 @@
 # Used by ReadTheDocs; pinned requirements for stability.
 
 myst-parser==0.16.0
-Sphinx==4.3.1
+Sphinx==4.3.2
 sphinxcontrib-programoutput==0.17
 sphinx_copybutton==0.4.0