diff --git a/yarn.lock b/yarn.lock
index 731f814..77c26f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -666,8 +666,8 @@ detect-indent@^4.0.0:
     repeating "^2.0.0"
 
 diff@^3.1.0, diff@^3.2.0:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
 
 doctrine@^0.7.2:
   version "0.7.2"