diff --git a/requirements.txt b/requirements.txt
index 3e9129e..5021902 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # Version is fixed in the GitLab runner for building documentation
 sphinx==5.3.0
-sphinx-intl==2.0.1
+sphinx-intl==2.3.1
 sphinx-rtd-theme
 Jinja2==3.1.2
 markupsafe==2.1.1