diff --git a/Gemfile.lock b/Gemfile.lock
index d9cb59c03a..891566e1ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -605,7 +605,8 @@ GEM
     responders (3.1.0)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rotp (6.3.0)
     rouge (4.1.2)
     rpam2 (4.0.2)
@@ -731,6 +732,7 @@ GEM
       redlock (~> 1.0)
     strong_migrations (0.8.0)
       activerecord (>= 5.2)
+    strscan (3.0.9)
     swd (1.3.0)
       activesupport (>= 3)
       attr_required (>= 0.0.5)