diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4c416c539f..943b786dac 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@ gpxpy
 ipykernel
 jenkspy
 jupyter
-jupytext
+jupytext==1.16.*   # Due to selenium test failures in 1.17.0.
 matplotlib
 mypy
 nbconvert