diff --git a/.github/workflows/build-v2.yml b/.github/workflows/build-v2.yml
index 69433f05..aeaf9ff9 100644
--- a/.github/workflows/build-v2.yml
+++ b/.github/workflows/build-v2.yml
@@ -210,6 +210,7 @@ jobs:
           - v3.1.1.1
           - v3.1.1.2
           - v3.1.2.0
+          - v3.1.2.1
     env:
       DOCKER_BUILDKIT: "1"
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 543690a0..a70c6c49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.3.1 - 2022-08-30
+
+Use [S6 Overlay v3.1.2.1](https://github.com/just-containers/s6-overlay/releases/tag/v3.1.2.1).
+
 ## 2.3.0 - 2022-08-29
 
 Use [S6 Overlay v3.1.2.0](https://github.com/just-containers/s6-overlay/releases/tag/v3.1.2.0).
diff --git a/S6_VERSIONS b/S6_VERSIONS
index 2d7efade..e6c1c2fe 100644
--- a/S6_VERSIONS
+++ b/S6_VERSIONS
@@ -3,3 +3,4 @@ v3.1.1.0
 v3.1.1.1
 v3.1.1.2
 v3.1.2.0
+v3.1.2.1
\ No newline at end of file