diff --git a/Gemfile.lock b/Gemfile.lock
index e4983cf..fe86054 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,8 @@ GEM
     rake (13.2.1)
     regexp_parser (2.9.0)
     retriable (3.1.2)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -155,6 +156,7 @@ GEM
       faraday (>= 0.17.5, < 3.a)
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
+    strscan (3.1.0)
     unicode-display_width (2.5.0)
     uri (0.13.0)
     vcr (6.2.0)