diff --git a/pubspec.lock b/pubspec.lock
index b219cd09..cae592be 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -49,7 +49,7 @@ packages:
       name: bloc_test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.1.0"
+    version: "8.5.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -218,6 +218,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  diff_match_patch:
+    dependency: transitive
+    description:
+      name: diff_match_patch
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.1"
   draggable_scrollbar:
     dependency: "direct main"
     description:
@@ -518,7 +525,7 @@ packages:
       name: mocktail
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.2.0"
   native_device_orientation:
     dependency: "direct main"
     description: