diff --git a/captioner/yarn.lock b/captioner/yarn.lock
index 48ca983..a50c8bb 100644
--- a/captioner/yarn.lock
+++ b/captioner/yarn.lock
@@ -961,8 +961,8 @@ async@^1.5.2:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
 atob@^2.0.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/atob/-/atob-2.0.3.tgz#19c7a760473774468f20b2d2d03372ad7d4cbf5d"
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
 
 autoprefixer@^6.3.1:
   version "6.7.7"