diff --git a/Gemfile.lock b/Gemfile.lock
index 3839371..a556b2b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,8 +79,8 @@ GEM
     rake (13.0.6)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)