diff --git a/clusters/development/postBuild.yaml b/clusters/development/postBuild.yaml
index 65bb925bde7..4cf481e042e 100644
--- a/clusters/development/postBuild.yaml
+++ b/clusters/development/postBuild.yaml
@@ -7,7 +7,7 @@ spec:
   prune: false
   postBuild:
     substitute:
-      ACTIVE_CLUSTER: weekly-38
+      ACTIVE_CLUSTER: weekly-39
       AZ_RESOURCE_DNS: dev.radix.equinor.com
       AZ_SUBSCRIPTION_ID: 16ede44b-1f74-40a5-b428-46cca9a5741b
       BLOB_CSI_DRIVER: v1.24.3 # https://github.com/kubernetes-sigs/blob-csi-driver/releases