diff --git a/build_versions.json b/build_versions.json
index b1293f7..612cc6e 100644
--- a/build_versions.json
+++ b/build_versions.json
@@ -13,7 +13,8 @@
       "rubygem_r10k": "4.1.0",
       "rubygem_ra10ke": "3.1.0",
       "rubygem_rubocop_performance": "1.22.1",
-      "rubygem_bundler": "2.4.22"
+      "rubygem_bundler": "2.4.22",
+      "rubygem_onceover": "4.0.0"
     },
     {
       "puppet_release": 8,
@@ -28,7 +29,8 @@
       "rubygem_r10k": "4.1.0",
       "rubygem_ra10ke": "3.1.0",
       "rubygem_rubocop_performance": "1.22.1",
-      "rubygem_bundler": "2.5.22"
+      "rubygem_bundler": "2.5.22",
+      "rubygem_onceover": "4.0.0"
     }
   ]
 }
diff --git a/voxbox/Gemfile b/voxbox/Gemfile
index 9b6ea34..ea3e213 100644
--- a/voxbox/Gemfile
+++ b/voxbox/Gemfile
@@ -13,6 +13,7 @@ gem 'voxpupuli-release',    ENV['RUBYGEM_VOXPUPULI_RELEASE']
 gem 'voxpupuli-test',       ENV['RUBYGEM_VOXPUPULI_TEST']
 gem 'rubocop-performance',  ENV['RUBYGEM_RUBOCOP_PERFORMANCE']
 gem 'ffi', '~> 1.16.3' # ffi 1.17.0 has change dependencies - see https://github.com/ffi/ffi/issues/1105
+gem 'onceover',             ENV['RUBYGEM_ONCEOVER']
 
 # CVE fixes
 gem 'cgi', '~> 0.4.1'             # cgi 0.1.0 has CVEs - remove default and install upstream replacement