diff --git a/Gemfile.lock b/Gemfile.lock
index 43e3113..0e74b5e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     mini_mime (1.0.3)
     mini_portile2 (2.5.0)
     minitest (5.14.4)
-    mocha (1.12.0)
+    mocha (1.13.0)
     nio4r (2.5.7)
     nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)