diff --git a/Gemfile.lock b/Gemfile.lock
index 7df0262f1..843faedc3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -375,7 +375,7 @@ GEM
       to_regexp (~> 0.2.1)
     jwt (2.2.1)
     kgio (2.11.3)
-    kostya-sigar (2.0.6)
+    kostya-sigar (2.0.8)
     leaflet-rails (1.6.0)
       rails (>= 4.2.0)
     listen (3.2.1)