diff --git a/libertree-backend-rb/Gemfile.lock b/libertree-backend-rb/Gemfile.lock
index a1b31a00..451c9bb1 100644
--- a/libertree-backend-rb/Gemfile.lock
+++ b/libertree-backend-rb/Gemfile.lock
@@ -68,14 +68,14 @@ GEM
       gpgme (~> 2.0.2)
       mail (~> 2.5.3)
     mime-types (1.25.1)
-    mini_portile (0.5.2)
+    mini_portile2 (2.4.0)
     minitest (4.7.5)
     multi_json (1.8.2)
     net-ldap (0.5.1)
     niceogiri (1.1.2)
       nokogiri (~> 1.5)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     parkdown (1.4.25)
     pg (0.17.1)
     polyglot (0.3.3)