diff --git a/Gemfile.lock b/Gemfile.lock
index d67b8005..034adf0d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -246,9 +246,12 @@ GEM
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     i18n_data (0.13.0)
-    icalendar (2.7.1)
+    icalendar (2.11.2)
+      base64
       ice_cube (~> 0.16)
-    ice_cube (0.16.3)
+      logger
+      ostruct
+    ice_cube (0.17.0)
     image_processing (1.14.0)
       mini_magick (>= 4.9.5, < 6)
       ruby-vips (>= 2.0.17, < 3)