diff --git a/Gemfile.lock b/Gemfile.lock
index 0580541..691802c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    appraisal (2.3.0)
+    appraisal (2.4.0)
       bundler
       rake
       thor (>= 0.14.0)
@@ -148,7 +148,7 @@ GEM
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
-    thor (1.0.1)
+    thor (1.1.0)
     thread_safe (0.3.6)
     tins (1.25.0)
       sync