2 files changed, 2 insertions, 2 deletions
diff --git a/conf.py b/conf.py
index d622b02..0f006dc 100644
--- a/conf.py
+++ b/conf.py
@@ -60,7 +60,7 @@ master_doc = 'index'
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
diff --git a/tox.ini b/tox.ini
index dbb2876..d80cb19 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@ skipsdist = True
 
 [testenv]
 deps =
-	sphinx
+	sphinx<7
 	tyrian-sphinx-theme
 allowlist_externals =
 	make