diff --git a/composer.json b/composer.json
index 1545805205..247e3feffe 100644
--- a/composer.json
+++ b/composer.json
@@ -30,18 +30,18 @@
         "sensio/generator-bundle": "~2.3",
         "incenteev/composer-parameter-handler": "~2.0",
         "tedivm/stash-bundle": "~0.4.3",
-        "ezsystems/ezpublish-kernel": "^6.1@dev",
-        "ezsystems/repository-forms": "^1.1@dev",
-        "ezsystems/ezplatform-solr-search-engine": "^1.0.0@dev",
-        "ezsystems/platform-ui-bundle": "~1.1.0@dev",
-        "ezsystems/platform-ui-assets-bundle": "~1.0.0@dev",
-        "ezsystems/comments-bundle": "~6.0@dev",
-        "ezsystems/studio-ui-bundle": "~1.0@dev",
-        "ezsystems/landing-page-fieldtype-bundle": "~1.0@dev",
-        "ezsystems/ezstudio-demo-bundle": "~1.0@dev",
-        "ezsystems/ezstudio-demo-bundle-data": "~1.0@dev",
-        "ezsystems/share-buttons-bundle": "~1.0@dev",
-        "ezsystems/flex-workflow": "~1.0@dev",
+        "ezsystems/ezpublish-kernel": "6.1.0-rc1 as v6.1.0",
+        "ezsystems/repository-forms": "1.0.1-rc1 as v1.0.1",
+        "ezsystems/ezplatform-solr-search-engine": "^1.0",
+        "ezsystems/platform-ui-bundle": "1.1.0-rc1 as v1.1.0",
+        "ezsystems/platform-ui-assets-bundle": "^1.0",
+        "ezsystems/comments-bundle": "~6.0.0",
+        "ezsystems/studio-ui-bundle": "1.1.0-rc1 as v1.1.0",
+        "ezsystems/landing-page-fieldtype-bundle": "1.1.0-rc1 as v1.1.0",
+        "ezsystems/ezstudio-demo-bundle": "1.1.0-rc1 as v1.1.0",
+        "ezsystems/ezstudio-demo-bundle-data": "1.1.0-rc1 as v1.1.0",
+        "ezsystems/share-buttons-bundle": "~1.0.0",
+        "ezsystems/flex-workflow": "1.1.0-rc1 as v1.1.0",
         "egulias/listeners-debug-command-bundle": "~1.9",
         "white-october/pagerfanta-bundle": "1.0.*",
         "hautelook/templated-uri-bundle": "~1.0 | ~2.0",
@@ -56,7 +56,7 @@
         "behat/mink-goutte-driver": "*",
         "behat/mink-selenium2-driver": "*",
         "jarnaiz/behat-junit-formatter": "^1.3",
-        "ezsystems/behatbundle": "^6.1@dev"
+        "ezsystems/behatbundle": "6.1.0-rc1 as v6.1.0"
     },
     "suggest": {
         "ezsystems/legacy-bridge": "Provides the full legacy backoffice and legacy features"
@@ -95,9 +95,6 @@
         "symfony-assets-install": "relative",
         "incenteev-parameters": {
             "file": "app/config/parameters.yml"
-        },
-        "branch-alias": {
-            "dev-master": "1.0.x-dev"
         }
     }
 }