diff --git a/Gemfile.lock b/Gemfile.lock
index 76f645c..cd8604d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,8 +22,8 @@ GEM
     hashie (3.6.0)
     public_suffix (5.0.0)
     rake (13.0.6)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)