diff --git a/docs/requirements.txt b/docs/requirements.txt
index 4413125..d81175f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=4.3.0,<4.4.0
+sphinx>=5.2.0,<5.3.0
 sphinx_rtd_theme>=1.0.0,<1.1.0
 # Might need libenchant installed from OS package manager to work.
 sphinxcontrib-spelling>=7.6.1,<7.7.0