diff --git a/slides/yarn.lock b/slides/yarn.lock
index be924de..6d731b5 100644
--- a/slides/yarn.lock
+++ b/slides/yarn.lock
@@ -10194,9 +10194,9 @@ typedarray@^0.0.6:
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
 ua-parser-js@^0.7.18:
-  version "0.7.20"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"
-  integrity sha512-8OaIKfzL5cpx8eCMAhhvTlft8GYF8b2eQr6JkCyVdrgjcytyOmPCXrqXFcUnhonRpLlh5yxEZVohm6mzaowUOw==
+  version "0.7.28"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.28.tgz#8ba04e653f35ce210239c64661685bf9121dec31"
+  integrity sha512-6Gurc1n//gjp9eQNXjD9O3M/sMwVtN5S8Lv9bvOYBfKfDNiIIhqiyi01vMBO45u4zkDE420w/e0se7Vs+sIg+g==
 
 uglify-es@^3.3.4:
   version "3.3.9"