diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9431971c0..dade5a4a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@
 
 ### Fixes and improvements
 
+## [v4.2.1](https://github.com/OpenNMT/CTranslate2/releases/tag/v4.2.1) (2024-04-24)
+
+Note: Because of the increasing of package's size (> 100 MB), the release v4.2.0 was pushed unsuccessfully.
+
+### New features
+* Support load/unload for generator/Whisper Attention (#1670)
+
+### Fixes and improvements
+* Fix Llama 3 (#1671)
+
 ## [v4.2.0](https://github.com/OpenNMT/CTranslate2/releases/tag/v4.2.0) (2024-04-10)
 
 ### New features
diff --git a/examples/llama3/requirements.txt b/examples/llama3/requirements.txt
index e9a939780..9c2c99e23 100644
--- a/examples/llama3/requirements.txt
+++ b/examples/llama3/requirements.txt
@@ -1,3 +1,3 @@
-ctranslate2>=4.3.0
+ctranslate2>=4.2.1
 transformers[torch]==4.40.*
 accelerate
diff --git a/python/ctranslate2/version.py b/python/ctranslate2/version.py
index ff44e9022..904d573c1 100644
--- a/python/ctranslate2/version.py
+++ b/python/ctranslate2/version.py
@@ -1,3 +1,3 @@
 """Version information."""
 
-__version__ = "4.2.0"
+__version__ = "4.2.1"