diff --git a/terminus-terminal/yarn.lock b/terminus-terminal/yarn.lock
index af7c6da1..10528059 100644
--- a/terminus-terminal/yarn.lock
+++ b/terminus-terminal/yarn.lock
@@ -68,9 +68,9 @@ font-manager@0.3.0:
   dependencies:
     nan ">=2.10.0"
 
-hterm-umdjs@1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/hterm-umdjs/-/hterm-umdjs-1.1.3.tgz#8b57bcaded5ba9541d6c8e32a82b34abb93e885e"
+hterm-umdjs@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/hterm-umdjs/-/hterm-umdjs-1.4.1.tgz#0cd5352eaf927c70b83c36146cf2c2a281dba957"
 
 json5@^0.5.0:
   version "0.5.1"