diff --git a/CHANGELOG.md b/CHANGELOG.md
index af5bf0489..8bcfc46d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Unreleased
 
+## 1.23.1 / 2025-09-04
+
+This release is made to be compatible with a backwards incompatible API change
+in prometheus/common v0.66.0. There are no functional changes.
+
 ## 1.23.0 / 2025-07-30
 
 * [CHANGE] Minimum required Go version is now 1.23, only the two latest Go versions are supported from now on. #1812
diff --git a/VERSION b/VERSION
index a6c2798a4..49e0a31d4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.23.0
+1.23.1