diff --git a/CHANGELOG.md b/CHANGELOG.md
index 434de3508..a8c645650 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 ### Fixes and improvements
 
+## [v1.5.1](https://github.com/OpenNMT/CTranslate2/releases/tag/v1.5.1) (2020-02-06)
+
+### Fixes and improvements
+
+* Fix INT8 translation on CPU with vocabulary map
+
 ## [v1.5.0](https://github.com/OpenNMT/CTranslate2/releases/tag/v1.5.0) (2020-02-06)
 
 ### New features
diff --git a/python/setup.py b/python/setup.py
index 0c2dc18fe..d2b3341ca 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -29,7 +29,7 @@ def _maybe_add_library_root(lib_name):
 
 setup(
     name="ctranslate2",
-    version="1.5.0",
+    version="1.5.1",
     license="MIT",
     description="Optimized inference engine for OpenNMT models",
     author="OpenNMT",