diff --git a/composer.json b/composer.json
index 9551174..4a88bdc 100644
--- a/composer.json
+++ b/composer.json
@@ -46,8 +46,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1.x-dev",
-            "dev-develop": "1.2.x-dev"
+            "dev-master": "1.2.x-dev",
+            "dev-develop": "1.3.x-dev"
         }
     },
     "scripts": {
diff --git a/composer.lock b/composer.lock
index a53a57b..59cb7bb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "297a96db6e4269ae9186df19f2c3e8f3",
+    "content-hash": "70b8ff763cdda5c77630cffb9bc5b6af",
     "packages": [
         {
             "name": "container-interop/container-interop",