diff --git a/README.md b/README.md
index 6fcea93a..edd094ca 100644
--- a/README.md
+++ b/README.md
@@ -45,22 +45,22 @@ To create a local distribution run the following command:
 
 ```sbt dist```
 
-Create locally the app adding a specific version name 
-otherwise if you do not specify a version, one will be generated for you.
-Eg. hpo-1-0
+Create locally the app adding a specific version name otherwise if you do not specify a version, one will be generated
+for you. Eg. hpo-1-0
 
 ```
 gcloud --project=open-targets-eu-dev app deploy \
     --no-promote \
     -v hpo-1-0
-
 ```
 
+Update the environment variables in the `app.yaml` file to point towards the deployed Clickhouse and Elasticsearch
+images.
+
 ## Sangria caches
 
-This application uses Sangria as a GraphQL wrapper and uses deferred resolver
-caches to improve query times. In cases where the data is updated in Elasticsearch
-it will not be available on the front-end if it has previously been cached.
+This application uses Sangria as a GraphQL wrapper and uses deferred resolver caches to improve query times. In cases
+where the data is updated in Elasticsearch it will not be available on the front-end if it has previously been cached.
 
 To reset the cache following a data update use the following request:
 
diff --git a/app.yaml b/app.yaml
index 915c5000..f27840e7 100644
--- a/app.yaml
+++ b/app.yaml
@@ -28,4 +28,8 @@ readiness_check:
   failure_threshold: 10
   success_threshold: 1
   app_start_timeout_sec: 120
+env_variables:
+  SLICK_CLICKHOUSE_URL: 'jdbc:clickhouse://platform22-02-3-220222-144622-ch-vm.europe-west1-d.c.open-targets-genetics-dev.internal:8123/ot'
+  ELASTICSEARCH_HOST: 'platform22-02-3-220222-144622-es-vm.europe-west1-d.c.open-targets-genetics-dev.internal'
+
 
diff --git a/conf/application.conf b/conf/application.conf
index 73438d14..c7450db0 100644
--- a/conf/application.conf
+++ b/conf/application.conf
@@ -180,7 +180,7 @@ ot {
     dataVersion {
       year = 22
       month = 02
-      iteration = 1
+      iteration = 3
     }
   }
   apiKeyHash = "-1467626332"