diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index ccb5333..1cf2ba1 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -73,6 +73,7 @@ platform :ios do
     api_key = app_store_connect_api_key(
       key_id: ENV["APP_STORE_CONNECT_API_KEY_KEY_ID"],
       issuer_id: ENV["APP_STORE_CONNECT_API_KEY_ISSUER_ID"],
+      is_key_content_base64: true,
       key_content: ENV["APP_STORE_CONNECT_API_KEY_KEY_CONTENT"]
     )
 
@@ -132,6 +133,7 @@ platform :ios do
     api_key = app_store_connect_api_key(
       key_id: ENV["APP_STORE_CONNECT_API_KEY_KEY_ID"],
       issuer_id: ENV["APP_STORE_CONNECT_API_KEY_ISSUER_ID"],
+      is_key_content_base64: true,
       key_content: ENV["APP_STORE_CONNECT_API_KEY_KEY_CONTENT"]
     )