diff --git a/Gemfile.lock b/Gemfile.lock
index 63624c7d11..0731590f99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -230,9 +230,10 @@ GEM
       concurrent-ruby (~> 1.0)
     i18n_data (0.17.1)
       simple_po_parser (~> 1.1)
-    icalendar (2.10.1)
+    icalendar (2.10.3)
       ice_cube (~> 0.16)
-    ice_cube (0.16.4)
+      ostruct
+    ice_cube (0.17.0)
     image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
@@ -354,6 +355,7 @@ GEM
       actionpack (>= 4.2)
       omniauth (~> 2.0)
     orm_adapter (0.5.0)
+    ostruct (0.6.0)
     paper_trail (15.1.0)
       activerecord (>= 6.1)
       request_store (~> 1.4)