diff --git a/sdks/php/composer.json b/sdks/php/composer.json
index 8347a023b..5d496c4ec 100644
--- a/sdks/php/composer.json
+++ b/sdks/php/composer.json
@@ -26,7 +26,7 @@
         "ext-curl": "*",
         "ext-json": "*",
         "ext-mbstring": "*",
-        "guzzlehttp/guzzle": "^7.3",
+        "guzzlehttp/guzzle": "^7.15.2",
         "guzzlehttp/psr7": "^1.7 || ^2.0"
     },
     "require-dev": {
diff --git a/sdks/php/templates/composer.mustache b/sdks/php/templates/composer.mustache
index 2efd505ed..5ca04c976 100644
--- a/sdks/php/templates/composer.mustache
+++ b/sdks/php/templates/composer.mustache
@@ -43,7 +43,12 @@
         "ext-curl": "*",
         "ext-json": "*",
         "ext-mbstring": "*",
+{{^useCustomTemplateCode}}
         "guzzlehttp/guzzle": "^7.3",
+{{/useCustomTemplateCode}}
+{{#useCustomTemplateCode}}
+        "guzzlehttp/guzzle": "^7.15.2",
+{{/useCustomTemplateCode}}
         "guzzlehttp/psr7": "^1.7 || ^2.0"
     },
     "require-dev": {