diff --git a/CHANGELOG.md b/CHANGELOG.md
index d86bd12f..a02cff79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+2.6.1 / 2022-02-01
+==================
+
+  * Fix support of the lowercase response headers
+
 2.6.0 / 2022-01-10
 ==================
 
diff --git a/composer.json b/composer.json
index c5b03042..1c98696f 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
   "name": "cloudinary/cloudinary_php",
-  "version": "2.6.0",
+  "version": "2.6.1",
   "description": "Cloudinary PHP SDK",
   "keywords": [
     "cloudinary",
diff --git a/docs/sami_config.php b/docs/sami_config.php
index cbc40fd2..ffe25f06 100644
--- a/docs/sami_config.php
+++ b/docs/sami_config.php
@@ -14,7 +14,7 @@
         'theme'                => 'cloudinary',
         'template_dirs'        => [$docsDir . 'themes'],
         'title'                => 'Cloudinary PHP SDK',
-        'version'              => '2.6.0',
+        'version'              => '2.6.1',
         'build_dir'            => $docsDir . 'build',
         'cache_dir'            => $docsDir . 'cache',
         'default_opened_level' => 1,
diff --git a/src/Cloudinary.php b/src/Cloudinary.php
index 236935d6..c8124a00 100644
--- a/src/Cloudinary.php
+++ b/src/Cloudinary.php
@@ -33,7 +33,7 @@ class Cloudinary
      *
      * @var string VERSION
      */
-    const VERSION = '2.6.0';
+    const VERSION = '2.6.1';
 
     /**
      * Defines the Cloudinary cloud details and other global configuration options.