diff --git a/Gemfile.lock b/Gemfile.lock
index 585945b..2fa07aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,21 +54,18 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (3.21.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     sassc (2.4.0-x64-mingw32)
       ffi (~> 1.9)
+    strscan (3.1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    tzinfo (2.0.4)
-      concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2021.5)
-      tzinfo (>= 1.0.0)
     unicode-display_width (1.7.0)
-    wdm (0.1.1)
 
 PLATFORMS
   ruby
@@ -78,9 +75,6 @@ DEPENDENCIES
   jekyll (= 4.1.1)
   jekyll-seo-tag (= 2.6.1)
   jekyll-sitemap (= 1.3.1)
-  tzinfo (>= 2.0)
-  tzinfo-data (>= 1.2020)
-  wdm (>= 0.1.0)
 
 BUNDLED WITH
    2.1.4