diff --git a/Gemfile.lock b/Gemfile.lock
index fde37e729..93fa1156a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,14 +60,14 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.3.0)
     minitest (5.14.1)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.8.5)
+      mini_portile2 (~> 2.3.0)
     parallel (1.12.1)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    pdfkit (0.8.2)
+    pdfkit (0.8.7)
     public_suffix (3.0.2)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)