diff --git a/package-lock.json b/package-lock.json
index 0274302d..2e4126a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,15 +31,15 @@
       }
     },
     "@babel/parser": {
-      "version": "7.12.11",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.12.11.tgz",
-      "integrity": "sha512-N3UxG+uuF4CMYoNj8AhnbAcJF0PiuJ9KHuy1lQmkYsxTer/MAH9UBNHsBoAX/4s6NvlDD047No8mYVGGzLL4hg==",
+      "version": "7.12.15",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.12.15.tgz",
+      "integrity": "sha512-AQBOU2Z9kWwSZMd6lNjCX0GUgFonL1wAM1db8L8PMk9UDaGsRCArBkU4Sc+UCM3AE4hjbXx+h58Lb3QT4oRmrA==",
       "dev": true
     },
     "@rollup/plugin-commonjs": {
-      "version": "17.0.0",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-17.0.0.tgz",
-      "integrity": "sha512-/omBIJG1nHQc+bgkYDuLpb/V08QyutP9amOrJRUSlYJZP+b/68gM//D8sxJe3Yry2QnYIr3QjR3x4AlxJEN3GA==",
+      "version": "17.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-17.1.0.tgz",
+      "integrity": "sha512-PoMdXCw0ZyvjpCMT5aV4nkL0QywxP29sODQsSGeDpr/oI49Qq9tRtAsb/LbYbDzFlOydVEqHmmZWFtXJEAX9ew==",
       "dev": true,
       "requires": {
         "@rollup/pluginutils": "^3.1.0",
@@ -78,9 +78,9 @@
       }
     },
     "@rollup/plugin-node-resolve": {
-      "version": "11.0.1",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-11.0.1.tgz",
-      "integrity": "sha512-ltlsj/4Bhwwhb+Nb5xCz/6vieuEj2/BAkkqVIKmZwC7pIdl8srmgmglE4S0jFlZa32K4qvdQ6NHdmpRKD/LwoQ==",
+      "version": "11.1.1",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-11.1.1.tgz",
+      "integrity": "sha512-zlBXR4eRS+2m79TsUZWhsd0slrHUYdRx4JF+aVQm+MI0wsKdlpC2vlDVjmlGvtZY1vsefOT9w3JxvmWSBei+Lg==",
       "dev": true,
       "requires": {
         "@rollup/pluginutils": "^3.1.0",
@@ -135,9 +135,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "14.14.20",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.20.tgz",
-      "integrity": "sha512-Y93R97Ouif9JEOWPIUyU+eyIdyRqQR0I8Ez1dzku4hDx34NWh4HbtIc3WNzwB1Y9ULvNGeu5B8h8bVL5cAk4/A==",
+      "version": "14.14.25",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.25.tgz",
+      "integrity": "sha512-EPpXLOVqDvisVxtlbvzfyqSsFeQxltFbluZNRndIb8tr9KiBnYNLzrc1N3pyKUCww2RNrfHDViqDWWE1LCJQtQ==",
       "dev": true
     },
     "@types/resolve": {
@@ -1100,9 +1100,9 @@
       "dev": true
     },
     "fsevents": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.3.tgz",
-      "integrity": "sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
       "dev": true,
       "optional": true
     },
@@ -1292,9 +1292,9 @@
       "dev": true
     },
     "ini": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
-      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew==",
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
+      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
       "dev": true
     },
     "inquirer": {
@@ -1637,9 +1637,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.20",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
+      "version": "4.17.15",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
       "dev": true
     },
     "lodash.assignin": {
@@ -2430,12 +2430,12 @@
       }
     },
     "rollup": {
-      "version": "2.36.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.36.1.tgz",
-      "integrity": "sha512-eAfqho8dyzuVvrGqpR0ITgEdq0zG2QJeWYh+HeuTbpcaXk8vNFc48B7bJa1xYosTCKx0CuW+447oQOW8HgBIZQ==",
+      "version": "2.38.5",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.38.5.tgz",
+      "integrity": "sha512-VoWt8DysFGDVRGWuHTqZzT02J0ASgjVq/hPs9QcBOGMd7B+jfTr/iqMVEyOi901rE3xq+Deq66GzIT1yt7sGwQ==",
       "dev": true,
       "requires": {
-        "fsevents": "~2.1.2"
+        "fsevents": "~2.3.1"
       }
     },
     "run-async": {
@@ -2940,9 +2940,9 @@
       "dev": true
     },
     "y-protocols": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/y-protocols/-/y-protocols-1.0.2.tgz",
-      "integrity": "sha512-V6ZAmokdogW52+VsIg/YC0R6CHWgG8/hjO3rYL10hAzeT5j464kDiRki31O+GzTj+dMgNYZNd6IDP9X35FLXrw==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/y-protocols/-/y-protocols-1.0.3.tgz",
+      "integrity": "sha512-2hSl0dqrD8Kph0SpvyakVYpKEnTLOLGIf7yvwmloQ4qS6RSvl6fUYHy6YocCvTvcd9MBuNeO4EqlmBcONJsvtw==",
       "dev": true,
       "requires": {
         "lib0": "^0.2.35"
diff --git a/tests/y-text.tests.js b/tests/y-text.tests.js
index 3bd88365..ad4fbc5d 100644
--- a/tests/y-text.tests.js
+++ b/tests/y-text.tests.js
@@ -101,6 +101,26 @@ export const testMultilineFormat = tc => {
   ])
 }
 
+/**
+ * @param {t.TestCase} tc
+ */
+export const testNotMergeEmptyLinesFormat = tc => {
+  const ydoc = new Y.Doc()
+  const testText = ydoc.getText('test')
+  testText.applyDelta([
+    { insert: 'Text' },
+    { insert: '\n', attributes: { title: true } },
+    { insert: '\nText' },
+    { insert: '\n', attributes: { title: true } }
+  ])
+  t.compare(testText.toDelta(), [
+    { insert: 'Text' },
+    { insert: '\n', attributes: { title: true } },
+    { insert: '\nText' },
+    { insert: '\n', attributes: { title: true } }
+  ])
+}
+
 /**
  * @param {t.TestCase} tc
  */