diff --git a/Gemfile.lock b/Gemfile.lock
index d07060b..2020d7f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     hashdiff (1.2.1)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    icalendar (2.12.1)
+    icalendar (2.12.2)
       base64
       ice_cube (~> 0.16)
       logger