diff --git a/Gemfile.lock b/Gemfile.lock
index aa82944e..10e307d8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,8 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.2.5)
+    rexml (3.3.6)
+      strscan
     rubocop (1.30.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
@@ -125,6 +126,7 @@ GEM
     snaky_hash (2.0.0)
       hashie
       version_gem (~> 1.1)
+    strscan (3.1.0)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
     unf (0.1.4)