diff --git a/build/lib/watch/yarn.lock b/build/lib/watch/yarn.lock
index 0f2ac1e204dee2..4863bda4758909 100644
--- a/build/lib/watch/yarn.lock
+++ b/build/lib/watch/yarn.lock
@@ -1100,9 +1100,9 @@ punycode@^1.4.1:
   integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
 
 qs@~6.4.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
-  integrity sha1-E+JtKK1rD/qpExLNO/cI7TUecjM=
+  version "6.4.3"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.3.tgz#759dc9cf20d8bde3b09e868f43bf14bdfb8467b1"
+  integrity sha512-ZR4x/aZZFC9YhBFeGfudUd+pY1R6NjVKbzXr/BaES046WNHPn5RWSAYEmTrlUJVU/+4pgyJEl21LFggYarCSTg==
 
 randomatic@^1.1.3:
   version "1.1.7"