diff --git a/Gemfile.lock b/Gemfile.lock
index c9f0707..e32b989 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     historedis (0.1.0)
-      redis (~> 3.3.5)
+      redis
 
 GEM
   remote: https://rubygems.org/
@@ -35,7 +35,7 @@ GEM
       rspec-support (~> 3.7.0)
     rspec-support (3.7.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS