diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
index b3cb1dc1..8305b747 100644
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -1844,6 +1844,7 @@ self: super: {
       self."nbconvert"
       self."nbformat"
       self."jupyter-client"
+      self."jupyter-core"
       self."alembic"
       self."invoke"
       self."bumpversion"
diff --git a/requirements.txt b/requirements.txt
index d1a21a49..4c315eb8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -91,7 +91,8 @@ psycopg2==2.8.4
 https://code.rhodecode.com/upstream/entrypoints/artifacts/download/0-8e9ee9e4-c4db-409c-b07e-81568fd1832d.tar.gz?md5=3a027b8ff1d257b91fe257de6c43357d#egg=entrypoints==0.2.2.rhodecode-upstream1
 nbconvert==5.3.1
 nbformat==4.4.0
-jupyter_client==5.0.0
+jupyter-client==5.0.0
+jupyter-core==4.5.0
 
 ## cli tools
 alembic==1.3.1