diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index c7f8f8e..cd96de0 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -9,5 +9,5 @@ jobs:
       - uses: actions/checkout@v4
       - uses: psf/black@stable
         with:
-          version: "23.3.0"
+          version: "23.12.0"
 
diff --git a/AUTHORS b/AUTHORS
index 30f2921..c3d40d6 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -2,6 +2,7 @@ Ahmed Tahri
 akeonly
 Alejandro Hernández
 Alexander Bougakov
+Alexandre Detiste
 Alex Debiasio
 Alfredo Orozco
 Asuki Kono
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 3b09836..dfa432a 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,9 +1,11 @@
 Changelog
 =========
 
-2023-xx-xx - Version 3.x - ""
------------------------------
-
+2023-12-17 - Version 3.1 - "Rubric Of Ruin"
+-------------------------------------------
+This is the minor release of the new version 3.1.
+It adds a modification of the API of the qr-method,
+hence the minor release.
 
 changes
 ^^^^^^^
@@ -12,10 +14,15 @@ changes
 - use version 0.15 and upwards of python-barcode
 - fix an issue in the config provider that prevented
   config files to be found when only a path was supplied
+- Improve type annotations, usage of six and other
+  packaging relevant parts.
 
 contributors
 ^^^^^^^^^^^^
 - Patrick Kanzler
+- Alexandre Detiste
+- tuxmaster
+- belono
 
 
 2023-11-17 - Version 3.0 - "Quietly Confident"
diff --git a/doc/spelling_wordlist.txt b/doc/spelling_wordlist.txt
index f674ca7..0fc9cf4 100644
--- a/doc/spelling_wordlist.txt
+++ b/doc/spelling_wordlist.txt
@@ -68,6 +68,8 @@ Qian
 Lehtonen
 Kanzler
 Rotondo
+Alexandre
+Detiste
 
 barcode
 barcodes