diff --git a/Gemfile.lock b/Gemfile.lock
index aaedade51..227817122 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -402,8 +402,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -488,7 +487,6 @@ GEM
     stringex (2.8.6)
     strong_migrations (1.4.4)
       activerecord (>= 5.2)
-    strscan (3.1.0)
     ten_years_rails (0.2.0)
       actionview
       activesupport