diff --git a/linux/system/repo/contrail.yml b/linux/system/repo/contrail.yml
index b282fc8..82b16a5 100644
--- a/linux/system/repo/contrail.yml
+++ b/linux/system/repo/contrail.yml
@@ -1,6 +1,7 @@
 parameters:
   _param:
     linux_repo_contrail_component: oc30
+    contrail_repo_pin_priority: 200
   linux:
     system:
       repo:
@@ -8,3 +9,6 @@
           source: "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ ${_param:linux_system_codename} extra ${_param:linux_repo_contrail_component}"
           architectures: amd64
           key_url: "http://apt.tcpcloud.eu/public.gpg"
+          - pin: 'release c=oc30'
+            priority: ${_param:contrail_repo_pin_priority}
+            package: '*'
diff --git a/linux/system/repo/mos9.yml b/linux/system/repo/mos9.yml
index 9bc7c8c..3a3abe1 100644
--- a/linux/system/repo/mos9.yml
+++ b/linux/system/repo/mos9.yml
@@ -6,15 +6,27 @@
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0 main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0'
+#            priority: 1100
+#            package: '*'
         mirantis_openstack_hotfix:
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0-hotfix main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0-hotfix'
+#            priority: 1100
+#            package: '*'
         mirantis_openstack_security:
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0-security main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0-security'
+#            priority: 1100
+#            package: '*'
         mirantis_openstack_updates:
           source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/ mos9.0-updates main restricted"
           architectures: amd64
           key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.0/archive-mos9.0.key"
+#          - pin: 'release a=mos9.0-updates'
+#            priority: 1100
+#            package: '*'