diff --git a/Gemfile.lock b/Gemfile.lock
index f727cda..f47cc72 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     bibtex-ruby (4.4.7)
       latex-decode (~> 0.0)
     citeproc (1.0.10)
@@ -238,7 +238,6 @@ GEM
     ruby-enum (0.8.0)
       i18n
     rubyzip (2.3.0)
-    ruby_dep (1.5.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)