diff --git a/Gemfile.lock b/Gemfile.lock
index 1a4d74e033..f4ccfdca1e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -337,7 +337,7 @@ GEM
       terminal-table (>= 1.5.1)
     i18n_data (1.1.0)
       simple_po_parser (~> 1.1)
-    icalendar (2.12.4)
+    icalendar (2.12.5)
       base64
       ice_cube (~> 0.16)
       logger