diff --git a/Gemfile.lock b/Gemfile.lock
index 8639d907..457b8a31 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -408,8 +408,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.1)
-      strscan
+    rexml (3.3.9)
     rouge (4.3.0)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
@@ -514,7 +513,6 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    strscan (3.1.0)
     stub_env (1.0.4)
       rspec (>= 2.0, < 4.0)
     thor (1.3.1)