diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 075c4f7ab92..c8a16fe8b10 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -1443,8 +1443,7 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -1493,7 +1492,6 @@ GEM
       rack-protection (= 3.0.6)
       tilt (~> 2.0)
     stringio (3.0.7)
-    strscan (3.1.0)
     tilt (2.1.0)
     time (0.2.2)
       date