diff --git a/fixtures/packaging/brunch/dev/yarn.lock b/fixtures/packaging/brunch/dev/yarn.lock
index 8620edba1f2d..a3b0e995f369 100644
--- a/fixtures/packaging/brunch/dev/yarn.lock
+++ b/fixtures/packaging/brunch/dev/yarn.lock
@@ -1748,8 +1748,8 @@ safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, s
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
 semver@^5.3.0:
-  version "5.4.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
+  version "5.7.2"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.2.tgz#48d55db737c3287cd4835e17fa13feace1c41ef8"
 
 send@0.16.1:
   version "0.16.1"