diff --git a/.github/.keepalive b/.github/.keepalive
new file mode 100644
index 0000000..a4f12c7
--- /dev/null
+++ b/.github/.keepalive
@@ -0,0 +1 @@
+2024-09-01T03:46:59.533Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4757ed2..511c495 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@
 
 > Package changelog.
 
+<section class="release" id="unreleased">
+
+## Unreleased (2024-09-01)
+
+No changes reported for this release.
+
+</section>
+
+<!-- /.release -->
+
 <section class="release" id="v0.3.1">
 
 ## 0.3.1 (2024-08-18)
@@ -10,7 +20,7 @@
 
 ### Packages
 
-<section class="package" id="error-tools-unreleased">
+<section class="package" id="error-tools-v0.3.1">
 
 #### [@stdlib/error/tools](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/error/tools)
 
@@ -32,7 +42,7 @@
 
 <!-- /.package -->
 
-<section class="package" id="error-tools-id2pkg-unreleased">
+<section class="package" id="error-tools-id2pkg-v0.3.1">
 
 #### [@stdlib/error/tools/id2pkg](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/error/tools/id2pkg)
 
@@ -54,7 +64,7 @@
 
 <!-- /.package -->
 
-<section class="package" id="error-tools-pkg2id-unreleased">
+<section class="package" id="error-tools-pkg2id-v0.3.1">
 
 #### [@stdlib/error/tools/pkg2id](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/error/tools/pkg2id)
 
diff --git a/README.md b/README.md
index bdcb2d9..2587d90 100644
--- a/README.md
+++ b/README.md
@@ -153,8 +153,8 @@ Copyright &copy; 2016-2024. The Stdlib [Authors][stdlib-authors].
 [npm-image]: http://img.shields.io/npm/v/@stdlib/error.svg
 [npm-url]: https://npmjs.org/package/@stdlib/error
 
-[test-image]: https://github.com/stdlib-js/error/actions/workflows/test.yml/badge.svg?branch=v0.3.1
-[test-url]: https://github.com/stdlib-js/error/actions/workflows/test.yml?query=branch:v0.3.1
+[test-image]: https://github.com/stdlib-js/error/actions/workflows/test.yml/badge.svg?branch=main
+[test-url]: https://github.com/stdlib-js/error/actions/workflows/test.yml?query=branch:main
 
 [coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/error/main.svg
 [coverage-url]: https://codecov.io/github/stdlib-js/error?branch=main