diff --git a/Gemfile.lock b/Gemfile.lock
index 5bc0648..e35f0af 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     concurrent-ruby (1.2.3)
     console (1.15.3)
       fiber-local
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     docile (1.4.0)
     faraday (1.10.3)
       faraday-em_http (~> 1.0)