diff --git a/omnibus/Gemfile.lock b/omnibus/Gemfile.lock
index 178cc4aff..6713fa27b 100644
--- a/omnibus/Gemfile.lock
+++ b/omnibus/Gemfile.lock
@@ -291,7 +291,8 @@ GEM
     rainbow (3.1.1)
     regexp_parser (2.2.1)
     retryable (3.0.5)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -336,6 +337,7 @@ GEM
       unicode-display_width (>= 1.5, < 3.0)
       unicode_utils (~> 1.4)
     strings-ansi (0.2.0)
+    strscan (3.1.0)
     syslog-logger (1.6.8)
     test-kitchen (3.5.0)
       bcrypt_pbkdf (~> 1.0)