diff --git a/presentations/intro-to-web-accessibility/yarn.lock b/presentations/intro-to-web-accessibility/yarn.lock
index 2acc57c..f9c850c 100644
--- a/presentations/intro-to-web-accessibility/yarn.lock
+++ b/presentations/intro-to-web-accessibility/yarn.lock
@@ -6635,8 +6635,8 @@ upper-case@^1.1.1:
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
 
 urijs@^1.16.1:
-  version "1.19.5"
-  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.5.tgz#119683ab4b2fb0bd637e5ea6dd9117bcac68d3e4"
+  version "1.19.6"
+  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.6.tgz#51f8cb17ca16faefb20b9a31ac60f84aa2b7c870"
 
 url-loader@0.6.2:
   version "0.6.2"