diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index e43dbb1..40f8b43 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,4 @@
-=== UNRELEASED
+=== 2.21.0 (2024-11-27)
 
 * Updated test suite
 * Fixed detecting when infinity is reached with multipleOf
diff --git a/fastjsonschema/version.py b/fastjsonschema/version.py
index c29fac5..e6cdd92 100644
--- a/fastjsonschema/version.py
+++ b/fastjsonschema/version.py
@@ -1 +1 @@
-VERSION = '2.20.0'
+VERSION = '2.21.0'