diff --git a/Gemfile.lock b/Gemfile.lock
index da10a9a0e..2a06cbb70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -525,7 +525,7 @@ GEM
       railties (>= 5.2)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.3.8)
+    rexml (3.3.9)
     rotp (6.3.0)
     rouge (4.4.0)
     rqrcode (2.2.0)