diff --git a/ChangeLog.md b/ChangeLog.md
index d250549..ca6c332 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+## [0.1.5.3] - 2023-12-08
+- Update tests and dependencies.
+
 ## [0.1.5.2] - 2023-11-09
 - Add Ord for Fasta and related types.
 
diff --git a/package.yaml b/package.yaml
index b8fe9c7..1c45c4d 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name:                cobot-io
-version:             0.1.5.2
+version:             0.1.5.3
 github:              "biocad/cobot-io"
 license:             BSD3
 category:            Bio