diff --git a/.env b/.env
index a3f7273..80e4717 100644
--- a/.env
+++ b/.env
@@ -9,5 +9,6 @@ IDENTITY_SERVICE_HOST=auth.example.org
 IDENTITY_SERVICE_PORT=8080
 
 APS_TAG=2.3.5
+AIS_TAG=1.8.0
 POSTGRES_TAG=13
 ELASTICSEARCH_TAG=7.17.7
diff --git a/docker-compose.yml b/docker-compose.yml
index 1946e92..22b5113 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -68,8 +68,7 @@ services:
             - activiti-app
 
     identity:
-        image: alfresco/alfresco-identity-service:1.4.0
-        mem_limit: 512m
+        image: alfresco/alfresco-identity-service:${AIS_TAG}
         user: jboss
         environment:
             KEYCLOAK_USER: admin