diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index c28fb3e..34ff59c 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -426,8 +426,8 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.2)
+      strscan
     rspec-core (3.13.0)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.0)