diff --git a/CHANGELOG.md b/CHANGELOG.md
index 003b1293138604146fdcccb7b7f461b7d7a4238a..c74f68b19df05cd63eb00e4efd36be6efc0645fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## next
+## 0.5.6
 
 - Reorder imports
 - Harden custom checks against invalid input
diff --git a/setup.py b/setup.py
index 14d7f641a745a1623483d963cec5544660aeb85f..9a23fe7648784cee7b8d4a950ea367c7620c9f88 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ with readme_filepath.open('rt', encoding='utf-8') as fd_in:
 
 setup(
     name='validata_core',
-    version='0.5.5',
+    version='0.5.6',
 
     description="Validata Core library",
     long_description=LONG_DESCRIPTION,