diff --git a/Gemfile.lock b/Gemfile.lock
index 212155e..9cf78fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
     bcrypt (3.1.10)
     benchmark-ips (2.2.0)
     builder (3.2.2)
-    dalli (2.7.4)
+    dalli (3.2.3)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     execjs (2.5.2)