diff --git a/Gemfile.lock b/Gemfile.lock
index dce36380c..f1df3f4f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     open4 (1.3.4)
     public_suffix (4.0.6)
-    rexml (3.2.5)
+    rexml (3.4.2)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)