diff --git a/omnibus/Gemfile.lock b/omnibus/Gemfile.lock
index 1c48fa079..c6163a587 100644
--- a/omnibus/Gemfile.lock
+++ b/omnibus/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
     citrus (3.0.2)
     cleanroom (1.0.0)
     coderay (1.1.3)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.3.4)
     contracts (0.16.1)
     cookbook-omnifetch (0.12.2)
       mixlib-archive (>= 0.4, < 2.0)
@@ -318,7 +318,7 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     retryable (3.0.5)
-    rexml (3.3.4)
+    rexml (3.3.6)
       strscan
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
@@ -366,7 +366,7 @@ GEM
     strings-ansi (0.2.0)
     strscan (3.1.0)
     syslog-logger (1.6.8)
-    test-kitchen (3.5.1)
+    test-kitchen (3.7.0)
       bcrypt_pbkdf (~> 1.0)
       chef-utils (>= 16.4.35)
       ed25519 (~> 1.2)