diff --git a/jupyter_server-1.13.3.tar.gz b/jupyter_server-1.13.3.tar.gz
deleted file mode 100644
index 7286cf0..0000000
--- a/jupyter_server-1.13.3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4d622161f4d378ff28548b49cc180024ce102d25ba5805821fcc17ab1bc5c754
-size 423083
diff --git a/jupyter_server-1.13.4.tar.gz b/jupyter_server-1.13.4.tar.gz
new file mode 100644
index 0000000..ac822e1
--- /dev/null
+++ b/jupyter_server-1.13.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5fb5a219385338b1d13a013a68f54688b6a69ecff4e757fd230e27ecacdbf212
+size 423176
diff --git a/python-jupyter-server.changes b/python-jupyter-server.changes
index 7b72830..782bd4b 100644
--- a/python-jupyter-server.changes
+++ b/python-jupyter-server.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sat Jan 29 19:35:29 UTC 2022 - Ben Greiner <code@bnavigator.de>
+
+- Update to 1.13.4
+  * Fix nbconvert handler run_sync() #667 (@davidbrochart)
+- Use pytest-timeout and flaky to rerun flaky failing tests
+- Use pytest-xdist for process control so that the worker does not
+  randomly hang at the end of the pytest run.
+
 -------------------------------------------------------------------
 Sat Jan 15 19:52:09 UTC 2022 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-jupyter-server.spec b/python-jupyter-server.spec
index 6984dc8..61ed0a1 100644
--- a/python-jupyter-server.spec
+++ b/python-jupyter-server.spec
@@ -35,7 +35,7 @@
 %{?!python_module:%define python_module() python3-%{**}}
 %define         skip_python2 1
 Name:           python-jupyter-server%{psuffix}
-Version:        1.13.3
+Version:        1.13.4
 Release:        0
 Summary:        The backend to Jupyter web applications
 License:        BSD-3-Clause
@@ -54,7 +54,9 @@ BuildRequires:  python-rpm-macros >= 20210929
 BuildRequires:  %{python_module jupyter-server-test = %{version}}
 # https://github.com/jupyter-server/jupyter_server/issues/666
 BuildRequires:  %{python_module jupyter-client >= 7.1.1}
+BuildRequires:  %{python_module flaky}
 BuildRequires:  %{python_module pytest-timeout}
+BuildRequires:  %{python_module pytest-xdist}
 %endif
 Requires:       python >= 3.7
 Requires:       python-Jinja2
@@ -146,7 +148,8 @@ if [ -e ~/.local/share/jupyter ]; then
     echo "WARNING: Not a clean test environment."
     echo "You might need to delete ~/.local/share/jupyter in order to avoid test failures."
 fi
-%pytest jupyter_server --timeout 60 -p no:threadexception -p no:unraisableexception
+# pytest-xdist for process control so that the worker does not indefinitely hang after success, no parallel tests
+%pytest jupyter_server --timeout 60 --force-flaky --max-runs=3 --no-flaky-report -n 1
 %endif
 
 %if ! %{with test}