diff --git a/Gemfile.lock b/Gemfile.lock
index 97e4e88..158c28f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,16 +10,16 @@ GIT
 
 GIT
   remote: https://github.com/ontohub/ontohub-models.git
-  revision: 784aeaaddf425aac0e0bb711817923e33e9d900f
+  revision: 9b36e3dd9a7256c0ea6c3f5762a5dac4a55e9c36
   branch: master
   specs:
     ontohub-models (0.1.0)
       awesome_print (~> 1.8.0)
-      chewy (~> 0.10.1)
+      chewy (>= 0.10.1, < 5.1.0)
       devise (>= 4.3, < 4.5)
       pry (~> 0.11.0)
       rails (~> 5.1.4)
-      sequel (>= 5.2, < 5.5)
+      sequel (>= 5.2, < 5.7)
       sequel-devise (~> 0.0.11)
       sequel-rails (~> 1.0.0)
       sequel_pg (~> 1.8.0)
@@ -98,10 +98,10 @@ GEM
     database_cleaner (1.6.2)
     debug_inspector (0.0.3)
     deep_merge (1.2.1)
-    devise (4.4.1)
+    devise (4.4.3)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 5.2)
+      railties (>= 4.1.0, < 6.0)
       responders
       warden (~> 1.2.3)
     diff-lcs (1.3)
@@ -142,7 +142,7 @@ GEM
     elasticsearch-transport (6.0.1)
       faraday
       multi_json
-    erubi (1.7.0)
+    erubi (1.7.1)
     factory_bot (4.8.2)
       activesupport (>= 3.0.0)
     factory_bot_rails (4.8.2)
@@ -167,7 +167,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.0)
+    loofah (2.2.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -179,7 +179,7 @@ GEM
     msgpack (1.2.4)
     multi_json (1.13.1)
     multipart-post (2.0.0)
-    nio4r (2.2.0)
+    nio4r (2.3.0)
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
@@ -207,7 +207,7 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     rack (2.0.4)
-    rack-test (0.8.2)
+    rack-test (0.8.3)
       rack (>= 1.0, < 3)
     rails (5.1.5)
       actioncable (= 5.1.5)
@@ -270,12 +270,12 @@ GEM
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.9.0)
     ruby_dep (1.5.0)
-    sequel (5.4.0)
+    sequel (5.6.0)
     sequel-devise (0.0.12)
       devise
       orm_adapter-sequel
       sequel (>= 3.11.0)
-    sequel-rails (1.0.0)
+    sequel-rails (1.0.1)
       actionpack (>= 4.0.0)
       activemodel (>= 4.0.0)
       railties (>= 4.0.0)