diff --git a/config/deploy/staging.hcl b/config/deploy/staging.hcl
index f3165bcc..db2d7fdf 100644
--- a/config/deploy/staging.hcl
+++ b/config/deploy/staging.hcl
@@ -12,7 +12,7 @@ variable "solr_read_collection" {
 }
 variable "index_cache_collections" {
   type = string
-  default = "cache_version:1,write_collection:dpulc-staging1;cache_version:2,write_collection:dpulc-staging2"
+  default = "cache_version:1,write_collection:dpulc-staging1;cache_version:3,write_collection:dpulc-staging3"
 }
 variable "solr_config_set" {
   type = string