diff --git a/python-ipykernel.changes b/python-ipykernel.changes
index cf3246d..32d3ea7 100644
--- a/python-ipykernel.changes
+++ b/python-ipykernel.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Sep 22 15:23:38 UTC 2021 - Matej Cepl <mcepl@suse.com>
+
+- Deduplicate files in _jupyter_kernel_dir.
+
 -------------------------------------------------------------------
 Wed Sep 15 05:29:16 UTC 2021 - Arun Persaud <arun@gmx.de>
 
diff --git a/python-ipykernel.spec b/python-ipykernel.spec
index 4ed1c8c..2847435 100644
--- a/python-ipykernel.spec
+++ b/python-ipykernel.spec
@@ -103,6 +103,7 @@ $python -m ipykernel install \
 sed -i "s|$(readlink -f python3)|python3|" %{buildroot}%{_jupyter_kernel_dir}/python3/kernel.json
 %endif
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
+%fdupes  %{buildroot}%{_jupyter_kernel_dir}
 
 %check
 %pytest -ra