diff --git a/packages/selenium-side-runner/yarn.lock b/packages/selenium-side-runner/yarn.lock
index 2cad3e5ae8..4e8c3f78ad 100644
--- a/packages/selenium-side-runner/yarn.lock
+++ b/packages/selenium-side-runner/yarn.lock
@@ -1425,9 +1425,9 @@ dezalgo@^1.0.0, dezalgo@~1.0.3:
     wrappy "1"
 
 diff@^3.2.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
-  integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.1.tgz#e7fae480379d2e944c68ff0f5e1c29b6e28c77ab"
+  integrity sha512-Z3u54A8qGyqFOSr2pk0ijYs8mOE9Qz8kTvtKeBI+upoG9j04Sq+oI7W8zAJiQybDcESET8/uIdHzs0p3k4fZlw==
 
 domexception@^1.0.1:
   version "1.0.1"