diff --git a/omnibus/Gemfile.lock b/omnibus/Gemfile.lock
index 1c48fa079..2bd506a08 100644
--- a/omnibus/Gemfile.lock
+++ b/omnibus/Gemfile.lock
@@ -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)