diff --git a/Gemfile.lock b/Gemfile.lock
index b3eb261a9..e005b9b27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,8 @@ GEM
     rake (13.0.6)
     redcarpet (3.5.1)
     regexp_parser (2.3.1)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -45,6 +46,7 @@ GEM
       rubocop (~> 1.19)
     ruby-progressbar (1.11.0)
     rubyzip (2.3.2)
+    strscan (3.1.0)
     tee (1.0.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)