diff --git a/.github/workflows/php-cs-fixer.yml b/.github/workflows/php-cs-fixer.yml
index 9910297..872a0e5 100644
--- a/.github/workflows/php-cs-fixer.yml
+++ b/.github/workflows/php-cs-fixer.yml
@@ -11,7 +11,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Fix style
-        uses: docker://oskarstark/php-cs-fixer-ga
+        uses: docker://oskarstark/php-cs-fixer-ga:2.18.6
         with:
           args: --config=.php_cs --allow-risky=yes
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef0aac0..1ac2c83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,9 @@
 
 All notable changes to `laravel-prerender` will be documented in this file.
 
-## Not released
+## 3.1.1 - 2021-05-21
+
+- Fix bug causing the middleware to never work https://github.com/codebar-ag/laravel-prerender/pull/25
 
 ## 3.1.0 - 2021-04-28
 
diff --git a/README.md b/README.md
index 9e9c6e2..fb638dc 100644
--- a/README.md
+++ b/README.md
@@ -342,7 +342,7 @@ http://localhost:3000/render?url=https://domain.test
 curl -A Googlebot https://domain.test
 ```
 
-6. 🎉 You made it. You should see your prerendered html!
+6. 🎉 That's it — you should see the prerendered html!
 
 ## 📝 Changelog
 
diff --git a/composer.json b/composer.json
index 060767c..2d14e58 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "symfony/psr-http-message-bridge": "^1.3|^2.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.16",
+        "friendsofphp/php-cs-fixer": "2.18.6",
         "orchestra/testbench": "^4.0|^5.0|^6.0",
         "phpunit/phpunit": "^8.4|^9.0"
     },