diff --git a/Gemfile.lock b/Gemfile.lock
index 2590773..925f8e8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -208,7 +208,8 @@ GEM
     regexp_parser (2.9.0)
     reline (0.4.2)
       io-console (~> 0.5)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec-core (3.12.2)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.3)
@@ -262,6 +263,7 @@ GEM
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     stringio (3.1.0)
+    strscan (3.1.0)
     tailwindcss-rails (2.3.0)
       railties (>= 6.0.0)
     thor (1.3.0)