diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf447ea..fdabe47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.3.1
+
+* Optimize for Pub score.
+
 ## 1.3.0
 
 * Add camelCase constant names as alternatives for current snake_case constants.
diff --git a/README.md b/README.md
index 9c2aaa2..a878403 100644
--- a/README.md
+++ b/README.md
@@ -84,4 +84,4 @@
 The Dart language doesn't have character literals.
 If that ever changes, this package will become irrelevant.
 Until then, this package can be used for the most common characters.
-See [request for character literals](http://dartbug.com/4415).
+See [request for character literals](https://dartbug.com/4415).
diff --git a/pubspec.yaml b/pubspec.yaml
index 9c5cb6b..294af0b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,12 +1,14 @@
 name: charcode
-version: 1.3.0
+version: 1.3.1
 repository: https://github.com/lrhn/charcode
 description: >-
   Constants for ASCII and common non-ASCII character codes.
+  Integer constants corresponding to the code points of
+  individual characters.
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
 
 dev_dependencies:
-  test: ^1.16.0-nullsafety
+  test: ^1.16.0
   lints: ^1.0.0