diff --git a/CHANGELOG.md b/CHANGELOG.md
index b87bd5c..801c5f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,9 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
-Nothing to be released.
+## [5.2.1] - 2023-07-27
+
+- Add factory methods that accept a `LongSuplier` that returns the current time in milliseconds. (by Michele Sollecito) #27
 
 ## [5.2.0] - 2023-04-30
 
@@ -308,7 +310,8 @@ Project created as an alternative Java implementation of [ULID spec](https://git
 -   Added `LICENSE`
 -   Added test cases
 
-[unreleased]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.2.0...HEAD
+[unreleased]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.2.1...HEAD
+[5.2.1]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.2.0...ulid-creator-5.2.1
 [5.2.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.1.0...ulid-creator-5.2.0
 [5.1.0]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.0.2...ulid-creator-5.1.0
 [5.0.2]: https://github.com/f4b6a3/ulid-creator/compare/ulid-creator-5.0.1...ulid-creator-5.0.2
diff --git a/README.md b/README.md
index 967ea53..88fdb10 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Add these lines to your `pom.xml`.
 <dependency>
   <groupId>com.github.f4b6a3</groupId>
   <artifactId>ulid-creator</artifactId>
-  <version>5.2.0</version>
+  <version>5.2.1</version>
 </dependency>
 ```
 See more options in [maven.org](https://search.maven.org/artifact/com.github.f4b6a3/ulid-creator).