diff --git a/CHANGELOG.md b/CHANGELOG.md
index f32d762..2c07ea2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## 1.5.1 (2023-10-25)
+
 - Bump Node version to 20.
 
 ## 1.5.0 (2023-09-14)
diff --git a/README.md b/README.md
index 44b5203..c5b8d28 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ jobs:
   pr-comment:
     runs-on: ubuntu-latest
     steps:
-      - uses: exercism/pr-commenter-action@v1.5.0
+      - uses: exercism/pr-commenter-action@v1.5.1
         with:
           github-token: "${{ github.token }}"
           config-file: ".github/pr-commenter.yml"
diff --git a/package.json b/package.json
index 8c5c10d..45ec198 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pr-commenter-action",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "",
   "main": "index.js",
   "scripts": {