diff --git a/create_node_modules.sh b/create_node_modules.sh
index 3346821..6bb3f6e 100644
--- a/create_node_modules.sh
+++ b/create_node_modules.sh
@@ -18,9 +18,8 @@ popd
 
 tar cJf node_modules.tar.xz \
   yarn.lock \
-  package-lock.json \
   node_modules \
+  tests/node_modules \
   javascript/lib \
   javascript/node_modules \
   javascript/tsconfig.tsbuildinfo
-  
\ No newline at end of file
diff --git a/jupyter_ydoc-0.2.3-gh.tar.gz b/jupyter_ydoc-0.2.3-gh.tar.gz
new file mode 100644
index 0000000..3bb7378
--- /dev/null
+++ b/jupyter_ydoc-0.2.3-gh.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fbc990fd64651310290aa994389ebe3d3b596c45f613cbb567184256d304e218
+size 82488
diff --git a/jupyter_ydoc-0.2.3.tar.gz b/jupyter_ydoc-0.2.3.tar.gz
new file mode 100644
index 0000000..92d7299
--- /dev/null
+++ b/jupyter_ydoc-0.2.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98db7785215873c64d7dfcb1b741f41df11994c4b3d7e2957e004b392d6f11ea
+size 64963
diff --git a/jupyter_ydoc-0.3.1-gh.tar.gz b/jupyter_ydoc-0.3.1-gh.tar.gz
deleted file mode 100644
index af239a2..0000000
--- a/jupyter_ydoc-0.3.1-gh.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:eca7c880ce3287498298240f1bf03b2f44b68ad00e93320dcc7997c1966dfac2
-size 170182
diff --git a/jupyter_ydoc-0.3.1.tar.gz b/jupyter_ydoc-0.3.1.tar.gz
deleted file mode 100644
index 8be6d99..0000000
--- a/jupyter_ydoc-0.3.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:23948daf60a0c3c0a4b3715a66cb6ccad2de56694864842534fb1b1564b9b56b
-size 148355
diff --git a/node_modules.tar.xz b/node_modules.tar.xz
index f204de8..b8ed7af 100644
--- a/node_modules.tar.xz
+++ b/node_modules.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4fca47a96125f721282d6026d9379d3d7bab7cc3520bebb1eee67ea991f67f53
-size 22739720
+oid sha256:9c2611367b54aa73e2e425cc7beef1ddd5b8801cbdc0fae93487fe8d5899af5f
+size 15310964
diff --git a/python-jupyter-ydoc.changes b/python-jupyter-ydoc.changes
index b272d59..dc7e499 100644
--- a/python-jupyter-ydoc.changes
+++ b/python-jupyter-ydoc.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Sun Mar 19 17:05:44 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Downgrade to 0.2.3
+  * Rename JS package to @jupyter/ydoc #97 (@jtpio)
+- Released as patch release for 0.2 branch
+  * jupyterlab 3.6 requires ydoc~=0.2.2
+
+-------------------------------------------------------------------
+Sun Feb 12 18:03:36 UTC 2023 - Ben Greiner <code@bnavigator.de>
+
+- Provide underscore name
+
 -------------------------------------------------------------------
 Sun Feb  5 16:52:33 UTC 2023 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-jupyter-ydoc.spec b/python-jupyter-ydoc.spec
index c717cd5..7592049 100644
--- a/python-jupyter-ydoc.spec
+++ b/python-jupyter-ydoc.spec
@@ -17,7 +17,7 @@
 
 
 Name:           python-jupyter-ydoc
-Version:        0.3.1
+Version:        0.2.3
 Release:        0
 Summary:        Document structures for collaborative editing using Ypy
 License:        BSD-3-Clause
@@ -35,16 +35,17 @@ BuildRequires:  %{python_module hatchling}
 BuildRequires:  %{python_module pip}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires:       (python-importlib-metadata if python-base < 3.10)
+Requires:       (python-importlib-metadata >= 3.6 if python-base < 3.10)
 Requires:       (python-y-py >= 0.5.3 with python-y-py < 0.6.0)
+Provides:       python-jupyter_ydoc = %{version}-%{release}
 BuildArch:      noarch
 # SECTION test
-BuildRequires:  %{python_module importlib-metadata if %python-base < 3.10}
+BuildRequires:  %{python_module importlib-metadata >= 3.6 if %python-base < 3.10}
 BuildRequires:  %{python_module pytest-asyncio}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module websockets >= 10.0}
 BuildRequires:  %{python_module y-py >= 0.5.3 with %python-y-py < 0.6.0}
-BuildRequires:  %{python_module ypy-websocket >= 0.3.1}
+BuildRequires:  %{python_module ypy-websocket >= 0.3.1 with %python-ypy-websocket < 0.4}
 BuildRequires:  nodejs
 # /SECTION
 %python_subpackages