diff --git a/Gemfile.lock b/Gemfile.lock
index 4ea6654..c4a79f6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,8 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -60,9 +61,11 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+    strscan (3.1.0)
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (~> 3.9.0)