diff --git a/Gemfile.lock b/Gemfile.lock
index d771fe87..9a95e041 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -265,7 +265,7 @@ GEM
     i18n_data (0.13.0)
     icalendar (2.7.1)
       ice_cube (~> 0.16)
-    ice_cube (0.16.3)
+    ice_cube (0.16.4)
     image_processing (1.12.1)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)