diff --git a/eden/contrib/reviewstack/package.json b/eden/contrib/reviewstack/package.json
index 0ec1d1b1c6204..e0c206e798f68 100644
--- a/eden/contrib/reviewstack/package.json
+++ b/eden/contrib/reviewstack/package.json
@@ -10,7 +10,7 @@
     "@types/node": "^16.11.25",
     "@types/react": "^18.0.0",
     "@types/react-dom": "^18.0.0",
-    "diff": "^5.0.0",
+    "diff": "^8.0.3",
     "monaco-editor": "^0.28.1",
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
diff --git a/eden/contrib/shared/package.json b/eden/contrib/shared/package.json
index 61ee4ab825c55..f890e04ea9176 100644
--- a/eden/contrib/shared/package.json
+++ b/eden/contrib/shared/package.json
@@ -19,7 +19,7 @@
     "@types/diff": "^5.0.2",
     "@vscode/codicons": "^0.0.33",
     "diff-sequences": "^29.4.3",
-    "diff": "^5.0.0",
+    "diff": "^8.0.3",
     "fast-deep-equal": "^3.1.3",
     "immutable": "^4.3.0",
     "node-abort-controller": "^3.1.1",
diff --git a/eden/contrib/yarn.lock b/eden/contrib/yarn.lock
index 8bcaffdc9b1b4..f649c9ab074d5 100644
--- a/eden/contrib/yarn.lock
+++ b/eden/contrib/yarn.lock
@@ -4720,10 +4720,10 @@ diff@^4.0.1:
   resolved "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
 
-diff@^5.0.0:
-  version "5.1.0"
-  resolved "https://registry.npmjs.org/diff/-/diff-5.1.0.tgz"
-  integrity sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==
+diff@^8.0.3:
+  version "8.0.3"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-8.0.3.tgz#c7da3d9e0e8c283bb548681f8d7174653720c2d5"
+  integrity sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==
 
 dir-glob@^3.0.1:
   version "3.0.1"