diff --git a/libertree-model-rb/Gemfile.lock b/libertree-model-rb/Gemfile.lock
index ead88ebc..37390121 100644
--- a/libertree-model-rb/Gemfile.lock
+++ b/libertree-model-rb/Gemfile.lock
@@ -21,11 +21,12 @@ GEM
       mini_portile (>= 0.5.0, <= 0.6.0)
     i18n (0.6.0)
     json (1.8.0)
-    mini_portile (0.5.0)
+    mini_portile (0.6.0)
+    mini_portile2 (2.4.0)
     multi_json (1.3.6)
     net-ldap (0.5.1)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     parkdown (1.4.25)
     pg (0.15.1)
     rake (0.9.2.2)