diff --git a/ipykernel-6.20.2.tar.gz b/ipykernel-6.20.2.tar.gz
deleted file mode 100644
index e95accc..0000000
--- a/ipykernel-6.20.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1893c5b847033cd7a58f6843b04a9349ffb1031bc6588401cadc9adb58da428e
-size 149263
diff --git a/ipykernel-6.21.1.tar.gz b/ipykernel-6.21.1.tar.gz
new file mode 100644
index 0000000..00df27f
--- /dev/null
+++ b/ipykernel-6.21.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0f8eece39cab1ee352c9b59ec67bbe44d8299f8238e4c16ff7f4cf0052d3378
+size 150412
diff --git a/python-ipykernel.changes b/python-ipykernel.changes
index 4ca8094..097fcfb 100644
--- a/python-ipykernel.changes
+++ b/python-ipykernel.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun Feb  5 15:09:43 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Update to 6.21.1
+  * Restore nest-asyncio for tk loop #1086 (@blink1073)
+- Release 6.21.0
+  * Expose session start file in file. #1078 (@Carreau)
+  * Add copy_to_globals debug request handling #1055 (@brichet)
+
 -------------------------------------------------------------------
 Sun Jan 22 12:56:21 UTC 2023 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-ipykernel.spec b/python-ipykernel.spec
index 4600e73..d63be19 100644
--- a/python-ipykernel.spec
+++ b/python-ipykernel.spec
@@ -17,7 +17,7 @@
 
 
 Name:           python-ipykernel
-Version:        6.20.2
+Version:        6.21.1
 Release:        0
 Summary:        IPython Kernel for Jupyter
 License:        BSD-3-Clause
@@ -44,7 +44,7 @@ BuildRequires:  python-rpm-macros
 # /SECTION
 # SECTION dependencies
 BuildRequires:  %{python_module comm >= 0.1.1}
-BuildRequires:  %{python_module debugpy >= 1.0}
+BuildRequires:  %{python_module debugpy >= 1.6.5}
 BuildRequires:  %{python_module ipython >= 7.23.1}
 BuildRequires:  %{python_module jupyter-client >= 6.1.12}
 BuildRequires:  %{python_module matplotlib-inline >= 0.1}
@@ -54,8 +54,9 @@ BuildRequires:  %{python_module psutil}
 BuildRequires:  %{python_module pyzmq >= 17}
 BuildRequires:  %{python_module tornado >= 6.1}
 BuildRequires:  %{python_module traitlets >= 5.1.0}
+BuildRequires:  %{python_module jupyter-core >= 5.1 or (%python-jupyter-core >= 4.12 with %python-jupyter-core < 5.0)}
 Requires:       python-comm >= 0.1.1
-Requires:       python-debugpy >= 1.0
+Requires:       python-debugpy >= 1.6.5
 Requires:       python-ipython >= 7.23.1
 Requires:       python-jupyter-client >= 6.1.12
 Requires:       python-matplotlib-inline >= 0.1
@@ -65,6 +66,7 @@ Requires:       python-psutil
 Requires:       python-pyzmq >= 17
 Requires:       python-tornado >= 6.1
 Requires:       python-traitlets >= 5.4.0
+Requires:       (python-jupyter-core >= 5.1 or (python-jupyter-core >= 4.12 with python-jupyter-core < 5.0))
 # /SECTION
 # SECTION test requirements
 BuildRequires:  %{python_module flaky}