diff --git a/slides/yarn.lock b/slides/yarn.lock
index 56ae0be..ee823df 100644
--- a/slides/yarn.lock
+++ b/slides/yarn.lock
@@ -261,8 +261,8 @@ iconv-lite@0.4:
     safer-buffer ">= 2.1.2 < 3"
 
 lodash@^4.17.5:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 mermaid@^8.0.0-rc.8:
   version "8.0.0-rc.8"