diff --git a/requirements.txt b/requirements.txt
index 85158fa84..f7a9fb612 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,8 @@ z3-solver>=4.8.13.0
 autopep8>=1.5.4
 bibtexparser>=1.0.1
 entrypoints>=0.3
-ipypublish>=0.6.8
+# ipypublish>=0.6.8  # we bring our own
+ipython-genutils>=0.2.0  # required by (our) ipypublish
 jupyter>=1.0.0
 jupyter-client>=6.1.7
 mypy>=0.910