diff --git a/Gemfile.lock b/Gemfile.lock
index 2d6c6bfa..8e7cfa5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -201,7 +201,7 @@ GEM
       warden (~> 1.2.3)
     devise_ichain_authenticatable (0.3.2)
       devise (>= 2.2)
-    diff-lcs (1.4.4)
+    diff-lcs (1.5.0)
     digest (3.1.0)
     docile (1.4.0)
     domain_name (0.5.20190701)