diff --git a/viewer/Gemfile.lock b/viewer/Gemfile.lock
index 7c38fad..d2dac64 100644
--- a/viewer/Gemfile.lock
+++ b/viewer/Gemfile.lock
@@ -1,3 +1,6 @@
+GEM
+  specs:
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -49,7 +52,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     lumberjack (1.2.8)
     method_source (1.0.0)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     minitest (5.15.0)
     nanoc (4.12.3)
       addressable (~> 2.5)
@@ -84,8 +87,8 @@ GEM
       nanoc-cli (~> 4.11, >= 4.11.15)
       nanoc-core (~> 4.11, >= 4.11.15)
     nenv (0.3.0)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)