diff --git a/requirements.txt b/requirements.txt
index 80449b72ab9783309ed6668788534400c36d37dc..f5465c3e7f83ad95314e3c340324e4b9985b7060 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 certifi==2021.10.8
 et-xmlfile==1.1.0
+ipykernel==6.9.1
 isodate==0.6.1
 numpy==1.22.3
 openpyxl==3.0.9