diff --git a/releasenotes/notes/v13.0_prep-4f454f3c0b3e0602.yaml b/releasenotes/notes/v13.0_prep-4f454f3c0b3e0602.yaml
new file mode 100644
index 0000000..2589588
--- /dev/null
+++ b/releasenotes/notes/v13.0_prep-4f454f3c0b3e0602.yaml
@@ -0,0 +1,23 @@
+#######################################################################################
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#######################################################################################
+---
+prelude: >
+    Preparation work to have the module point to the v13.0 branch
+other:
+  - |
+    Changes pip requirements for dev to point to branch
+    Pins the version of Flake8
diff --git a/tox.ini b/tox.ini
index 3a5b32b..d6e8b71 100644
--- a/tox.ini
+++ b/tox.ini
@@ -53,7 +53,7 @@
 #######################################################################################
 [testenv:flake8]
 deps =
-        flake8
+        flake8==5.0.4
         flake8-import-order
 commands =
         flake8 osm_common/ setup.py