diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 267d2503..969251fd 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,2 +1,3 @@
+- Fix: deprecated mongo warnings about save and remove methods (#806)
 - Upgrade express from 4.19.2 to 4.20.0
 - Upgrade body-parser dep from 1.18.2 to 1.20.3
diff --git a/lib/models/rulesStore.js b/lib/models/rulesStore.js
index 2926f2b9..1c3134fd 100644
--- a/lib/models/rulesStore.js
+++ b/lib/models/rulesStore.js
@@ -155,7 +155,7 @@ module.exports = {
             [
                 db.collection.bind(db, rulesCollectionName, { strict: true }),
                 function(col, cb) {
-                    col.remove({ name: rule.name, subservice: rule.subservice, service: rule.service }, cb);
+                    col.deleteOne({ name: rule.name, subservice: rule.subservice, service: rule.service }, cb);
                 }
             ],
             function(err, result) {
@@ -172,7 +172,7 @@ module.exports = {
             [
                 db.collection.bind(db, rulesCollectionName, { strict: true }),
                 function(col, cb) {
-                    col.save(r, cb);
+                    col.insertOne(r, cb);
                 }
             ],
             function(err, result) {