diff --git a/Gemfile.lock b/Gemfile.lock
index b72eca0..dd66021 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,13 +1,13 @@
 PATH
   remote: .
   specs:
-    md_to_pdf (0.1.4)
+    md_to_pdf (0.1.5)
       color_conversion (~> 0.1)
       front_matter_parser (~> 1.0)
       json-schema (~> 4.3)
       markly (~> 0.10)
       matrix (~> 0.4)
-      nokogiri (~> 1.16)
+      nokogiri (~> 1.18)
       prawn (~> 2.4)
       prawn-table (~> 0.2)
       text-hyphen (~> 1.5)
@@ -30,9 +30,7 @@ GEM
     language_server-protocol (3.17.0.3)
     markly (0.12.1)
     matrix (0.4.2)
-    mini_portile2 (2.8.7)
-    nokogiri (1.16.7)
-      mini_portile2 (~> 2.8.2)
+    nokogiri (1.18.2-arm64-darwin)
       racc (~> 1.4)
     parallel (1.24.0)
     parser (3.3.0.5)