diff --git a/.github/workflows/create-release-transactional.yml b/.github/workflows/create-release-transactional.yml
index 9f5b959..bc2d0af 100644
--- a/.github/workflows/create-release-transactional.yml
+++ b/.github/workflows/create-release-transactional.yml
@@ -337,7 +337,7 @@ jobs:
           unzip zip/mailchimp-transactional-ruby.zip -d swagger-out/transactional-ruby
 
       - name: Set up Ruby 2.6
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: '2.6'
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 324789c..e17dd16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Transactional
 
+### 1.0.53
+* Fixed broken ruby SDK test, updated PHP SDK to send form data via JSON
+
 ### 1.0.52
 * Added the `is_broken_template` response to the /template endpoints that include it
 
diff --git a/spec/transactional.json b/spec/transactional.json
index d150ce0..36286cf 100644
--- a/spec/transactional.json
+++ b/spec/transactional.json
@@ -177,7 +177,7 @@
   },
   "swagger": "2.0",
   "info": {
-    "version": "1.0.52",
+    "version": "1.0.53",
     "title": "Mailchimp Transactional API",
     "contact": {
       "name": "API Support",
diff --git a/swagger-config/transactional/php/templates/Configuration.mustache b/swagger-config/transactional/php/templates/Configuration.mustache
index f3d230e..22fa2fe 100644
--- a/swagger-config/transactional/php/templates/Configuration.mustache
+++ b/swagger-config/transactional/php/templates/Configuration.mustache
@@ -93,7 +93,7 @@ class Configuration
 
         // prepare request params
         $postUrl = $this->getHost() . $path;
-        $options['form_params'] = $body;
+        $options['json'] = $body;
 
         // set output format
         $defaultOutputFormat = $this->getDefaultOutputFormat();