diff --git a/package.json b/package.json
index 6148db4..23425b9 100644
--- a/package.json
+++ b/package.json
@@ -74,6 +74,7 @@
     "async": "^2.6.4",
     "braces": "^3.0.3",
     "cacheable-request": "^10.2.7",
+    "diff": "^4.0.4",
     "ember-source-channel-url": "^3.0.0",
     "exec-sh": "^0.3.4",
     "follow-redirects": "^1.14.7",
diff --git a/yarn.lock b/yarn.lock
index 28d073a..d8f2270 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5085,15 +5085,10 @@ detect-newline@3.1.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-3.1.0.tgz#576f5dfc63ae1a192ff192d8ad3af6308991b651"
   integrity sha512-TLz+x/vEXm/Y7P7wn1EJFNLxYpUD4TgMosxY6fAVJUnJMbupHBOncxyWUG9OpTaH9EBD7uFI5LfEgmMOc54DsA==
 
-diff@1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-1.4.0.tgz#7f28d2eb9ee7b15a97efd89ce63dcfdaa3ccbabf"
-  integrity sha1-fyjS657nsVqX79ic5j3P2qPMur8=
-
-diff@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
-  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+diff@1.4.0, diff@^4.0.2, diff@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.4.tgz#7a6dbfda325f25f07517e9b518f897c08332e07d"
+  integrity sha512-X07nttJQkwkfKfvTPG/KSnE2OMdcUCao6+eXF3wmnIQRn2aPAHH3VxDbDOdegkd6JbPsXqShpvEOHfAT+nCNwQ==
 
 dir-glob@^2.0.0:
   version "2.0.0"