diff --git a/CHANGELOG.md b/CHANGELOG.md
index c787ffc..59b98f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Version 3.x (for phpBB 3.3 and later)
 
+### 3.1.1 - 2026-09-22
+
+- Prevent PHP failures with extensions that autowire s9e.textformatter services.
+
 ### 3.1.0 - 2026-08-25
 
 - Added new feature: Markdown support for page content.
diff --git a/composer.json b/composer.json
index 4a64ad2..67f7718 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
 	"type": "phpbb-extension",
 	"description": "An extension which allows you to add static pages to your phpBB forum",
 	"homepage": "https://www.phpbb.com/customise/db/extension/pages/",
-	"version": "3.1.0",
+	"version": "3.1.1",
 	"keywords": ["phpbb", "extension", "static", "pages"],
 	"license": "GPL-2.0-only",
 	"authors": [