diff --git a/CHANGES.md b/CHANGES.md
index 903e73e..0393d57 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,6 @@
 # Release History
 
-## 1.42.1 (2024-09-dd)
+## 1.42.1 (2024-09-25)
 
 - FIX: Don't use isinstance and subtypes together ([#22](https://github.com/sertit/sertit-utils/issues/22))
 - FIX: Allow `use_s3_env_var` in `unistra.s3_env`
diff --git a/sertit/__meta__.py b/sertit/__meta__.py
index 922561e..cf91121 100644
--- a/sertit/__meta__.py
+++ b/sertit/__meta__.py
@@ -17,7 +17,7 @@
 """
 Sertit Utils library
 """
-__version__ = "1.42.1.dev0"
+__version__ = "1.42.1"
 __title__ = "sertit"
 __description__ = ("SERTIT python library for generic tools",)
 __author__ = "ICube-SERTIT"