diff --git a/deployment/human-connection/deployment-neo4j.yaml b/deployment/human-connection/deployment-neo4j.yaml
index 593f87d2b..3b381ce7b 100644
--- a/deployment/human-connection/deployment-neo4j.yaml
+++ b/deployment/human-connection/deployment-neo4j.yaml
@@ -27,9 +27,9 @@
           imagePullPolicy: Always
           resources:
             requests:
-              memory: "1G"
-            limits:
               memory: "2G"
+            limits:
+              memory: "8G"
           envFrom:
           - configMapRef:
               name: configmap
diff --git a/deployment/legacy-migration/maintenance-worker.yaml b/deployment/legacy-migration/maintenance-worker.yaml
index a0f354fc9..ec6623a2b 100644
--- a/deployment/legacy-migration/maintenance-worker.yaml
+++ b/deployment/legacy-migration/maintenance-worker.yaml
@@ -8,9 +8,11 @@
     containers:
     - name: nitro-maintenance-worker
       image: humanconnection/maintenance-worker:latest
-      env:
-      - name: NEO4J_apoc_import_file_enabled
-        value: "true"
+      resources:
+        requests:
+          memory: "2G"
+        limits:
+          memory: "8G"
       envFrom:
       - configMapRef:
           name: maintenance-worker
diff --git a/deployment/legacy-migration/maintenance-worker/migration/mongo/export.sh b/deployment/legacy-migration/maintenance-worker/migration/mongo/export.sh
index f80ea8b8b..71ed3b58b 100755
--- a/deployment/legacy-migration/maintenance-worker/migration/mongo/export.sh
+++ b/deployment/legacy-migration/maintenance-worker/migration/mongo/export.sh
@@ -31,12 +31,12 @@ ssh -4 -M -S my-ctrl-socket -fnNT -L 27018:localhost:27017 -l ${SSH_USERNAME} ${
 export_collection "badges"
 export_collection "categories"
 export_collection "comments"
-export_collection_query "contributions" "{'type': 'DELETED'}" "DELETED"
-export_collection_query "contributions" "{'type': 'post'}" "post"
-export_collection_query "contributions" "{'type': 'cando'}" "cando"
+export_collection_query "contributions" '{"type": "DELETED"}' "DELETED"
+export_collection_query "contributions" '{"type": "post"}' "post"
+export_collection_query "contributions" '{"type": "cando"}' "cando"
 export_collection "emotions"
-export_collection_query "follows" "{'foreignService': 'organizations'}" "organizations"
-export_collection_query "follows" "{'foreignService': 'users'}" "users"
+export_collection_query "follows" '{"foreignService": "organizations"}' "organizations"
+export_collection_query "follows" '{"foreignService": "users"}' "users"
 export_collection "invites"
 export_collection "organizations"
 export_collection "pages"