diff --git a/Gemfile.lock b/Gemfile.lock
index e3ef7fb254..6d483e5f27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -279,7 +279,8 @@ GEM
     rb-kqueue (0.2.8)
       ffi (>= 0.5.0)
     rchardet (1.8.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubocop (0.50.0)
       parallel (~> 1.10)
       parser (>= 2.3.3.1, < 3.0)
@@ -302,6 +303,7 @@ GEM
     simplecov-html (0.10.2)
     slop (3.6.0)
     sparkr (0.4.1)
+    strscan (3.1.0)
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)