diff --git a/Gemfile.lock b/Gemfile.lock
index b3293c9..7eeac4c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,8 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.8.2)
-    rexml (3.2.6)
+    rexml (3.3.3)
+      strscan
     rubocop (1.56.4)
       base64 (~> 0.1.1)
       json (~> 2.3)
@@ -125,6 +126,7 @@ GEM
     standard-performance (1.2.1)
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.19.1)
+    strscan (3.1.0)
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)