diff --git a/package.json b/package.json
index 2e446ea19..229845ddd 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
         "codemirror": "5.58.3",
         "copy-webpack-plugin": "6.3.2",
         "d3-graphviz": "3.1.0",
-        "diff": "4.0.2",
+        "diff": "5.0.0",
         "emoji-picker-element": "1.3.0",
         "emojibase-data": "5.1.1",
         "eslint-config-react-app": "6.0.0",
diff --git a/yarn.lock b/yarn.lock
index 843b4246a..aa05e5308 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5724,7 +5724,12 @@ diff-sequences@^26.5.0:
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-26.5.0.tgz#ef766cf09d43ed40406611f11c6d8d9dd8b2fefd"
   integrity sha512-ZXx86srb/iYy6jG71k++wBN9P9J05UNQ5hQHQd9MtMPvcqXPx/vKU69jfHV637D00Q2gSgPk2D+jSx3l1lDW/Q==
 
-diff@4.0.2, diff@^4.0.1:
+diff@5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-5.0.0.tgz#7ed6ad76d859d030787ec35855f5b1daf31d852b"
+  integrity sha512-/VTCrvm5Z0JGty/BWHljh+BAiw3IK+2j87NGMu8Nwc/f48WoDAC395uomO9ZD117ZOBaHmkX1oyLvkVM/aIT3w==
+
+diff@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==