diff --git a/Gemfile b/Gemfile
index ead64a6d4df04e8cb48290ac33a49f7e7edc6198..92e666c1bb75c5bf50d9b35a78234317ac525525 100644
--- a/Gemfile
+++ b/Gemfile
@@ -347,5 +347,5 @@ gem 'paranoia', '~> 2.0'
 gem 'health_check', '~> 2.1.0'
 
 # System information
-gem 'vmstat', '~> 2.1.0'
+gem 'vmstat', '~> 2.1.1'
 gem 'sys-filesystem', '~> 1.1.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8739f8579d5c3bc169486b38f02078b7320f2852..e2b3d55ee0c756328858fa0726334edc6c1363b7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -775,7 +775,7 @@ GEM
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)
       equalizer (~> 0.0, >= 0.0.9)
-    vmstat (2.1.0)
+    vmstat (2.1.1)
     warden (1.2.6)
       rack (>= 1.0)
     web-console (2.3.0)
@@ -980,7 +980,7 @@ DEPENDENCIES
   unicorn-worker-killer (~> 0.4.2)
   version_sorter (~> 2.0.0)
   virtus (~> 1.0.1)
-  vmstat (~> 2.1.0)
+  vmstat (~> 2.1.1)
   web-console (~> 2.0)
   webmock (~> 1.21.0)
   wikicloth (= 0.8.1)