diff --git a/Gemfile.lock b/Gemfile.lock
index 930662c8..e1d1282d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.0)
     diff-lcs (1.3)
     docile (1.3.1)
@@ -26,7 +26,7 @@ GEM
     parser (2.5.1.2)
       ast (~> 2.4.0)
     powerpack (0.1.2)
-    public_suffix (3.0.3)
+    public_suffix (4.0.6)
     puppet (5.5.6)
       facter (> 2.0.1, < 4)
       fast_gettext (~> 1.1.2)