diff --git a/omnibus/Gemfile.lock b/omnibus/Gemfile.lock
index a5646daa1d..c8abf9a471 100644
--- a/omnibus/Gemfile.lock
+++ b/omnibus/Gemfile.lock
@@ -263,7 +263,8 @@ GEM
     rainbow (3.1.1)
     rake (13.1.0)
     retryable (3.0.5)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -297,6 +298,7 @@ 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)