diff --git a/releasenotes/notes/pin_black_version-8ef527516b41dd9b.yaml b/releasenotes/notes/pin_black_version-8ef527516b41dd9b.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..421e7e0d78592f0deac3923c6c7a1d39ada2540c
--- /dev/null
+++ b/releasenotes/notes/pin_black_version-8ef527516b41dd9b.yaml
@@ -0,0 +1,21 @@
+#######################################################################################
+# 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.
+#######################################################################################
+---
+other:
+  - |
+    This change pins black version to 23.12.1 in tox.ini.
+
diff --git a/tox.ini b/tox.ini
index 967513a81afb20dcd733f2b3e021c4625cc1894b..3ba46d7e50b74fac8dda198baf178402ee2847bb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,7 +43,7 @@ commands =
 
 #######################################################################################
 [testenv:black]
-deps = black
+deps = black==23.12.1
 skip_install = true
 commands =
         black --check --diff NG-RO