Changelog.md in argon2-2.0.2 vs Changelog.md in argon2-2.0.3

@@ -1,4 +1,7 @@
+## v2.0.3: 2021-01-02
+- Address potential memory leak. Unlikely to be exploitable.
+
 ## v2.0.0: 2019-01-06
 - Defaults to Argon2id for new hashes
 
 ## v1.2.0: 2018-11-29
 - Support for verifying Argon2id format