diff --git a/docs/talks/RubyKaigi2019/yarn.lock b/docs/talks/RubyKaigi2019/yarn.lock
index 703426934..1406ee9bd 100644
--- a/docs/talks/RubyKaigi2019/yarn.lock
+++ b/docs/talks/RubyKaigi2019/yarn.lock
@@ -607,8 +607,8 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
 decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
 
 define-properties@^1.1.2:
   version "1.1.3"