diff --git a/package.json b/package.json
index 9582a002..efadcb2e 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "homepage": "https://github.com/Unibeautify/website#readme",
   "dependencies": {},
   "devDependencies": {
-    "@types/diff": "4.0.2",
+    "@types/diff": "8.0.0",
     "@types/fs-extra": "8.1.5",
     "@types/lodash": "4.17.24",
     "@unibeautify/beautifier-black": "0.1.2",
diff --git a/yarn.lock b/yarn.lock
index 095de5aa..98078a0b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -269,10 +269,12 @@
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
-"@types/diff@4.0.2":
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-4.0.2.tgz#2e9bb89f9acc3ab0108f0f3dc4dbdcf2fff8a99c"
-  integrity sha512-mIenTfsIe586/yzsyfql69KRnA75S8SVXQbTLpDejRrjH0QSJcpu3AUOi/Vjnt9IOsXKxPhJfGpQUNMueIU1fQ==
+"@types/diff@8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@types/diff/-/diff-8.0.0.tgz#8fc38b6488d2b228bf0b26c3d86a6822dc0961c5"
+  integrity sha512-o7jqJM04gfaYrdCecCVMbZhNdG6T1MHg/oQoRFdERLV+4d+V7FijhiEAbFu0Usww84Yijk9yH58U4Jk4HbtzZw==
+  dependencies:
+    diff "*"
 
 "@types/fs-extra@8.1.5":
   version "8.1.5"
@@ -1265,6 +1267,11 @@ del@^2.0.2:
     pinkie-promise "^2.0.0"
     rimraf "^2.2.8"
 
+diff@*:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-9.0.0.tgz#297c31cd7c280f13dfe335791ec2063bd4a73a6f"
+  integrity sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw==
+
 diff@4.0.4:
   version "4.0.4"
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.4.tgz#7a6dbfda325f25f07517e9b518f897c08332e07d"