diff --git a/Gemfile.lock b/Gemfile.lock
index cb7821972..2ff939898 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -404,7 +404,8 @@ GEM
       railties (>= 5.2)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rolify (5.3.0)
     rubocop (1.31.2)
       json (~> 2.3)
@@ -478,6 +479,7 @@ GEM
       spring (>= 4)
     ssrf_filter (1.1.2)
     stripe (5.29.0)
+    strscan (3.1.0)
     swd (1.3.0)
       activesupport (>= 3)
       attr_required (>= 0.0.5)