diff --git a/Gemfile.lock b/Gemfile.lock
index c83ef6b9fd..d7d36e28a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -331,11 +331,10 @@ GEM
       logger
     i18n (1.15.2)
       concurrent-ruby (~> 1.0)
-    icalendar (2.12.5)
+    icalendar (2.13.0)
       base64
       ice_cube (~> 0.16)
       logger
-      ostruct
     ice_cube (0.17.0)
     ice_nine (0.11.2)
     importmap-rails (2.2.3)
@@ -486,7 +485,6 @@ GEM
       capybara (>= 1.1)
       rspec (>= 2.14)
     orm_adapter (0.5.0)
-    ostruct (0.6.3)
     paper_trail (17.0.0)
       activerecord (>= 7.1)
       request_store (~> 1.4)