diff --git a/benchmarks/lobsters/Gemfile.lock b/benchmarks/lobsters/Gemfile.lock
index e393440b..6abc305a 100644
--- a/benchmarks/lobsters/Gemfile.lock
+++ b/benchmarks/lobsters/Gemfile.lock
@@ -226,7 +226,7 @@ GEM
     regexp_parser (2.10.0)
     reline (0.6.2)
       io-console (~> 0.5)
-    rexml (3.4.1)
+    rexml (3.4.2)
     rotp (6.3.0)
     rqrcode (3.1.0)
       chunky_png (~> 1.0)