diff --git a/omnibus/Gemfile.lock b/omnibus/Gemfile.lock
index 178cc4aff..2d97a89aa 100644
--- a/omnibus/Gemfile.lock
+++ b/omnibus/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     citrus (3.0.2)
     cleanroom (1.0.0)
     coderay (1.1.3)
-    concurrent-ruby (1.2.0)
+    concurrent-ruby (1.2.2)
     contracts (0.16.1)
     cookbook-omnifetch (0.11.1)
       mixlib-archive (>= 0.4, < 2.0)
@@ -169,7 +169,7 @@ GEM
       faraday (~> 1.0)
     fauxhai-ng (9.3.0)
       net-ssh
-    ffi (1.15.5)
+    ffi (1.16.3)
     ffi-libarchive (1.1.3)
       ffi (~> 1.0)
     ffi-yajl (2.4.0)
@@ -234,7 +234,7 @@ GEM
     mixlib-cli (2.1.8)
     mixlib-config (3.0.27)
       tomlrb
-    mixlib-install (3.12.27)
+    mixlib-install (3.12.28)
       mixlib-shellout
       mixlib-versioning
       thor
@@ -291,7 +291,7 @@ GEM
     rainbow (3.1.1)
     regexp_parser (2.2.1)
     retryable (3.0.5)
-    rexml (3.2.5)
+    rexml (3.2.6)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -337,7 +337,7 @@ GEM
       unicode_utils (~> 1.4)
     strings-ansi (0.2.0)
     syslog-logger (1.6.8)
-    test-kitchen (3.5.0)
+    test-kitchen (3.5.1)
       bcrypt_pbkdf (~> 1.0)
       chef-utils (>= 16.4.35)
       ed25519 (~> 1.2)
@@ -351,7 +351,7 @@ GEM
       winrm (~> 2.0)
       winrm-elevated (~> 1.0)
       winrm-fs (~> 1.1)
-    thor (1.2.1)
+    thor (1.3.0)
     toml-rb (2.2.0)
       citrus (~> 3.0, > 3.0)
     tomlrb (1.3.0)
@@ -384,7 +384,7 @@ GEM
       pastel (~> 0.8)
       strings (~> 0.2.0)
       tty-screen (~> 0.8)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     unicode_utils (1.4.0)
     uuidtools (2.2.0)
     vault (0.17.0)