diff --git a/Gemfile.lock b/Gemfile.lock
index 19fef3cb..3fcbe347 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -303,7 +303,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.3)
-    puma (4.3.2)
+    puma (4.3.3)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-livereload (0.3.17)
@@ -541,4 +541,4 @@ DEPENDENCIES
   web-console
 
 BUNDLED WITH
-   1.17.3
+   2.1.4
diff --git a/test/models/region_test.rb b/test/models/region_test.rb
index 95e33fce..63dfaa94 100644
--- a/test/models/region_test.rb
+++ b/test/models/region_test.rb
@@ -12,6 +12,6 @@ class RegionTest < ActiveSupport::TestCase
   end
 
   test 'check other timezone is local timezone' do
-    assert_equal 'CET', regions(:region_other).tzid
+    assert_equal 'CEST', regions(:region_other).tzid
   end
 end