diff --git a/docs/requirements.txt b/docs/requirements.txt
index 4601ef04d..a04b1d821 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,5 @@
+# cf. https://github.com/ryanfox/sphinx-markdown-tables/issues/36
+markdown<3.4.0
 sphinx
 sphinx-argparse==0.3.1
 sphinxcontrib-apidoc==0.3.0
@@ -13,4 +15,4 @@ myst-parser==0.15.1
 sphinx-design
 sphinx-inline-tabs
 # sphinx-multiversion
-git+https://github.com/Holzhaus/sphinx-multiversion.git
+git+https://github.com/Holzhaus/sphinx-multiversion.git
\ No newline at end of file