diff --git a/omnibus/Gemfile.lock b/omnibus/Gemfile.lock
index 4d1aaf3afd..2e79ad0bd1 100644
--- a/omnibus/Gemfile.lock
+++ b/omnibus/Gemfile.lock
@@ -276,11 +276,6 @@ GEM
       ffi-win32-extensions (~> 1.0.3)
       win32-process (~> 0.9)
       wmi-lite (~> 1.0)
-    mixlib-shellout (3.2.7-x64-mingw-ucrt)
-      chef-utils
-      ffi-win32-extensions (~> 1.0.3)
-      win32-process (~> 0.9)
-      wmi-lite (~> 1.0)
     mixlib-versioning (1.2.12)
     molinillo (0.8.0)
     multi_json (1.15.0)
@@ -328,7 +323,8 @@ GEM
     rack (2.2.4)
     rainbow (3.1.1)
     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)
@@ -362,6 +358,7 @@ GEM
       unicode-display_width (>= 1.5, < 3.0)
       unicode_utils (~> 1.4)
     strings-ansi (0.2.0)
+    strscan (3.1.0)
     structured_warnings (0.4.0)
     syslog-logger (1.6.8)
     test-kitchen (3.3.2)