diff --git a/Gemfile.lock b/Gemfile.lock
index 23d127f..d96ab47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,9 @@ GEM
     public_suffix (4.0.7)
     rake (13.0.6)
     rchardet (1.8.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
+    strscan (3.1.0)
     stud (0.0.23)
 
 PLATFORMS