diff --git a/package-lock.json b/package-lock.json
index 0ba55f9dfefefe73433095c70ee16b521ac496a9..cb2c9c7d3f71022bca559626e22e4674da12e8a4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,6 +38,7 @@
         "@tiptap/extension-text-style": "^2.0.0-beta.17",
         "@tiptap/extension-underline": "^2.0.0-beta.16",
         "@tiptap/starter-kit": "^2.0.0-beta.115",
+        "lodash": "^4.17.21",
         "ngx-tiptap": "^3.0.4",
         "prosemirror-state": "^1.3.4",
         "rxjs": "~6.6.0",
diff --git a/package.json b/package.json
index 52fe0bcbb6e4375e3cb9d93ef749861c2e0f06c8..e6b1748df09350b8bf68475c68a9c46b7c707edf 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
     "@tiptap/extension-text-style": "^2.0.0-beta.17",
     "@tiptap/extension-underline": "^2.0.0-beta.16",
     "@tiptap/starter-kit": "^2.0.0-beta.115",
+    "lodash": "^4.17.21",
     "ngx-tiptap": "^3.0.4",
     "prosemirror-state": "^1.3.4",
     "rxjs": "~6.6.0",