diff --git a/Gemfile.lock b/Gemfile.lock
index 37ad52d..1dfabd2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -160,7 +160,7 @@ GEM
       logger
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    icalendar (2.12.1)
+    icalendar (2.12.2)
       base64
       ice_cube (~> 0.16)
       logger