diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 5947510..9737edf 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -27,8 +27,7 @@ GEM
     pastel (0.8.0)
       tty-color (~> 0.5)
     plist (3.6.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (3.28.0)
     safe_yaml (1.0.5)
     strings (0.2.1)
@@ -36,7 +35,6 @@ GEM
       unicode-display_width (>= 1.5, < 3.0)
       unicode_utils (~> 1.4)
     strings-ansi (0.2.0)
-    strscan (3.1.0)
     temple (0.8.2)
     tilt (2.0.11)
     tty-color (0.6.0)