diff --git a/Gemfile.lock b/Gemfile.lock
index cb2f2d2..bfeb3ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,6 @@ GIT
       chef-cleanroom (~> 1.0)
       chef-utils (>= 15.4)
       contracts (>= 0.16.0, < 0.17.0)
-      ffi (<= 1.17.0)
       ffi-yajl (~> 2.2)
       license_scout (~> 1.3.15)
       mixlib-shellout (>= 2.0, < 4.0)
@@ -22,7 +21,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.8)
+    addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
     aws-eventstream (1.4.0)
     aws-partitions (1.1213.0)
@@ -110,7 +109,7 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
-    public_suffix (6.0.2)
+    public_suffix (7.0.5)
     rexml (3.4.4)
     ruby-progressbar (1.13.0)
     thor (1.5.0)