diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18bc90c..2b4d0d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## Unreleased
 
+## v1.3.1(2023-06-09)
+
+### Fixed
+
+- Fix the unpack error when parsing a fenced code block with `codehilite` extension enabled.
+
 ## v1.3.0(2023-01-28)
 
 - Fix a bug that `Parser.parse_inline()` cannot be called without preceding call of `Parser.parse()`. [#131](https://github.com/frostming/marko/issue/131)
diff --git a/marko/__init__.py b/marko/__init__.py
index 6df0c70..8da1d7c 100644
--- a/marko/__init__.py
+++ b/marko/__init__.py
@@ -22,7 +22,7 @@
     from .block import Document
     from .parser import ElementType
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
 
 
 class SetupDone(Exception):