diff --git a/Gemfile.lock b/Gemfile.lock
index 5b2c14d54..360d2d823 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -134,7 +134,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     wax_iiif (0.1.2)
       mini_magick (~> 4.8)