diff --git a/content/themes/casper/yarn.lock b/content/themes/casper/yarn.lock
index b2327ce..168f456 100644
--- a/content/themes/casper/yarn.lock
+++ b/content/themes/casper/yarn.lock
@@ -724,8 +724,8 @@ chokidar@^1.5.2:
     fsevents "^1.0.0"
 
 chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
 
 clap@^1.0.9:
   version "1.2.3"
@@ -1258,7 +1258,7 @@ etag@~1.8.1:
 
 event-stream@^3.1.7:
   version "3.3.4"
-  resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  resolved "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
   dependencies:
     duplexer "~0.1.1"
     from "~0"