diff --git a/Gemfile.lock b/Gemfile.lock
index 2453ce9..d5bc8ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
       rake (>= 0.9.2.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    minitest (5.17.0)
+    minitest (5.26.2)
     mocha (2.0.2)
       ruby2_keywords (>= 0.0.5)
     multi_xml (0.6.0)
@@ -110,6 +110,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   activesupport