diff --git a/config/importmap.rb b/config/importmap.rb
--- a/config/importmap.rb
+++ b/config/importmap.rb
@@ -56,4 +56,6 @@
 
 #pin "ace-rails-ap"
 pin "chart", to: 'chart.js' # @3.9.1
-pin "@eonasdan/tempus-dominus", to: "@eonasdan--tempus-dominus.js" # @6.2.4
+pin "@eonasdan/tempus-dominus", to: "tempus-dominus/@eonasdan--tempus-dominus.js" # @6.2.4
+pin "@eonasdan/tempus-dominus-esm", to: "tempus-dominus/tempus-dominus.esm.js" # @6.2.4
+pin "@eonasdan/tempus-dominus/customDateFormat", to: "tempus-dominus/customDateFormat.js" # @6.2.4