diff --git a/fluent-plugin-systemd.gemspec b/fluent-plugin-systemd.gemspec
index d6aa4de..1e1df81 100644
--- a/fluent-plugin-systemd.gemspec
+++ b/fluent-plugin-systemd.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rubocop', '1.13.0'
 
   spec.add_runtime_dependency 'fluentd', ['>= 0.14.11', '< 2']
-  spec.add_runtime_dependency 'systemd-journal', '~> 2.0.0'
+  spec.add_runtime_dependency 'systemd-journal', '~> 2.1.0'
 end
diff --git a/lib/fluent/plugin/in_systemd.rb b/lib/fluent/plugin/in_systemd.rb
index adb8b3f..dcabfa0 100644
--- a/lib/fluent/plugin/in_systemd.rb
+++ b/lib/fluent/plugin/in_systemd.rb
@@ -75,7 +75,7 @@ def shutdown
       def init_journal
         # TODO: ruby 2.3
         @journal.close if @journal # rubocop:disable Style/SafeNavigation
-        @journal = Systemd::Journal.new(path: @path)
+        @journal = Systemd::Journal.new(path: @path, auto_reopen: true)
         @journal.filter(*(@matches || @filters))
         seek
         true