diff --git a/lambdas/mparticle-firehose-handler/yarn.lock b/lambdas/mparticle-firehose-handler/yarn.lock
index 775465f..8c22b8d 100644
--- a/lambdas/mparticle-firehose-handler/yarn.lock
+++ b/lambdas/mparticle-firehose-handler/yarn.lock
@@ -3324,8 +3324,8 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
 
 lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.8.0:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 lolex@1.3.2:
   version "1.3.2"