diff --git a/Gemfile.lock b/Gemfile.lock
index 1daecfd..2471d2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,11 +48,9 @@ GEM
       prawn (~> 2.2)
     public_suffix (4.0.6)
     rake (13.0.6)
-    rexml (3.3.3)
-      strscan
+    rexml (3.3.9)
     ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
-    strscan (3.1.0)
     treetop (1.6.11)
       polyglot (~> 0.3)
     ttfunk (1.7.0)