diff --git a/Gemfile.lock b/Gemfile.lock
index 794b27e..68ccc3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -114,7 +114,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.4)
+    mini_portile2 (2.8.6)
     minitest (5.20.0)
     msgpack (1.7.2)
     net-imap (0.3.7)
@@ -127,7 +127,7 @@ GEM
     net-smtp (0.3.3)
       net-protocol
     nio4r (2.5.9)
-    nokogiri (1.15.4)
+    nokogiri (1.16.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     psych (5.1.0)
@@ -135,7 +135,7 @@ GEM
     public_suffix (5.0.3)
     puma (5.6.7)
       nio4r (~> 2.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (2.2.8)
     rack-test (2.1.0)
       rack (>= 1.3)