diff --git a/Gemfile.lock b/Gemfile.lock
index 6da4a91..4a86f69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,6 +158,7 @@ GEM
       faraday (>= 0.8, < 2)
     faraday_middleware (0.14.0)
       faraday (>= 0.7.4, < 1.0)
+    ffi (1.15.4)
     ffi (1.15.4-java)
     ffi (1.15.4-x64-mingw32)
     field_test (0.4.1)
@@ -235,6 +236,8 @@ GEM
       racc (~> 1.4)
     nokogiri (1.12.5-x64-mingw32)
       racc (~> 1.4)
+    nokogiri (1.12.5-x86_64-linux)
+      racc (~> 1.4)
     openlibrary-covers (0.1.1)
     orm_adapter (0.5.0)
     ostruct (0.4.0)
@@ -399,7 +402,7 @@ GEM
       actionpack (>= 3.1)
       jquery-rails
       railties (>= 3.1)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2021.4)
       tzinfo (>= 1.0.0)
@@ -431,6 +434,7 @@ PLATFORMS
   java
   universal-java-1.8
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   activerecord-jdbc-adapter (~> 60.2)