diff --git a/Gemfile b/Gemfile
index d939e422..4cf2c1ac 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'bigdecimal', '1.4.2'
 gem 'faraday', '~> 1.9'
 gem 'json-schema', '~> 2.0'
 gem 'multi_json', '~> 1.0'
-gem 'oj'
+gem 'oj', '~> 2.0'
 gem 'parseconfig'
 gem 'rack'
 gem 'rake', '~> 10.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4c20a869..10455344 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GIT
 
 GIT
   remote: https://github.com/lifewatch-eric/ontologies_linked_data.git
-  revision: 6ca322edb9161b274c12b30af9bf7ec8ae57c709
+  revision: 17edfcb470848152dec8939fc6f68f5ed00f83db
   branch: master
   specs:
     ontologies_linked_data (0.0.1)
@@ -48,7 +48,7 @@ GIT
 
 GIT
   remote: https://github.com/ontoportal-lirmm/goo.git
-  revision: a95245b8c964431505ca6315907440996c59a00d
+  revision: b2a635fb1e8206e6e3010be4dbe033b47eb58481
   branch: development
   specs:
     goo (0.0.2)
@@ -106,8 +106,8 @@ GEM
     activesupport (3.2.22.5)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
     airbrussh (1.5.2)
       sshkit (>= 1.6.1, != 1.7.0)
     backports (3.25.0)
@@ -116,8 +116,8 @@ GEM
     bcrypt_pbkdf (1.1.1)
     bcrypt_pbkdf (1.1.1-x86_64-darwin)
     bigdecimal (1.4.2)
-    builder (3.3.0)
-    capistrano (3.19.1)
+    builder (3.2.4)
+    capistrano (3.18.1)
       airbrussh (>= 1.0.0)
       i18n
       rake (>= 10.0.0)
@@ -130,7 +130,7 @@ GEM
       capistrano (~> 3.1)
       sshkit (~> 1.3)
     coderay (1.1.3)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
     crack (1.0.0)
       bigdecimal
@@ -198,15 +198,14 @@ GEM
     google-cloud-env (2.1.1)
       faraday (>= 1.0, < 3.a)
     google-cloud-errors (1.4.0)
-    google-protobuf (3.25.3)
     google-protobuf (3.25.3-x86_64-darwin)
     google-protobuf (3.25.3-x86_64-linux)
-    googleapis-common-protos (1.6.0)
-      google-protobuf (>= 3.18, < 5.a)
+    googleapis-common-protos (1.5.0)
+      google-protobuf (~> 3.18)
       googleapis-common-protos-types (~> 1.7)
       grpc (~> 1.41)
-    googleapis-common-protos-types (1.15.0)
-      google-protobuf (>= 3.18, < 5.a)
+    googleapis-common-protos-types (1.14.0)
+      google-protobuf (~> 3.18)
     googleauth (1.11.0)
       faraday (>= 1.0, < 3.a)
       google-cloud-env (~> 2.1)
@@ -214,9 +213,6 @@ GEM
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)
       signet (>= 0.16, < 2.a)
-    grpc (1.64.0)
-      google-protobuf (~> 3.25)
-      googleapis-common-protos-types (~> 1.0)
     grpc (1.64.0-x86_64-darwin)
       google-protobuf (~> 3.25)
       googleapis-common-protos-types (~> 1.0)
@@ -229,7 +225,7 @@ GEM
     hashdiff (1.1.0)
     htmlentities (4.3.4)
     http-accept (1.7.0)
-    http-cookie (1.0.6)
+    http-cookie (1.0.5)
       domain_name (~> 0.5)
     httpclient (2.8.3)
     i18n (0.9.5)
@@ -240,7 +236,7 @@ GEM
       rdf (>= 2.2.8, < 4.0)
     json-schema (2.8.1)
       addressable (>= 2.4)
-    jwt (2.8.2)
+    jwt (2.8.1)
       base64
     kgio (2.11.4)
     libxml-ruby (5.0.3)
@@ -256,7 +252,7 @@ GEM
     method_source (1.1.0)
     mime-types (3.5.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.0702)
+    mime-types-data (3.2024.0507)
     mini_mime (1.1.5)
     minitest (4.7.5)
     minitest-stub_any_instance (1.0.3)
@@ -264,9 +260,10 @@ GEM
       redis
     multi_json (1.15.0)
     multipart-post (2.4.1)
+    mutex_m (0.2.0)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
-    net-imap (0.4.14)
+    net-imap (0.4.11)
       date
       net-protocol
     net-pop (0.1.2)
@@ -281,19 +278,19 @@ GEM
       net-protocol
     net-ssh (7.2.3)
     netrc (0.11.0)
-    newrelic_rpm (9.11.0)
-    oj (3.16.1)
+    newrelic_rpm (9.9.0)
+    oj (2.18.5)
     omni_logger (0.1.4)
       logger
     os (1.1.4)
-    parallel (1.25.1)
+    parallel (1.24.0)
     parseconfig (1.1.2)
     pony (1.13.1)
       mail (>= 2.0)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (5.1.1)
+    public_suffix (5.0.5)
     rack (1.6.13)
     rack-accept (0.4.5)
       rack (>= 0.4)
@@ -349,8 +346,8 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     retriable (3.1.2)
-    rexml (3.3.1)
-      strscan
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rsolr (2.6.0)
       builder (>= 2.1.2)
       faraday (>= 0.9, < 3, != 2.0.0)
@@ -386,15 +383,16 @@ GEM
       rack-test
       sinatra (~> 1.4.0)
       tilt (>= 1.3, < 3)
-    sshkit (1.23.0)
+    sshkit (1.22.2)
       base64
+      mutex_m
       net-scp (>= 1.1.2)
       net-sftp (>= 2.1.2)
       net-ssh (>= 2.8.0)
     strscan (3.1.0)
     systemu (2.6.5)
     temple (0.10.3)
-    tilt (2.4.0)
+    tilt (2.3.0)
     timeout (0.4.1)
     trailblazer-option (0.1.2)
     tzinfo (2.0.6)
@@ -414,7 +412,6 @@ GEM
       hashdiff (>= 0.4.0, < 2.0.0)
 
 PLATFORMS
-  ruby
   x86_64-darwin-23
   x86_64-linux
 
@@ -441,7 +438,7 @@ DEPENDENCIES
   ncbo_cron!
   ncbo_ontology_recommender!
   newrelic_rpm
-  oj
+  oj (~> 2.0)
   ontologies_linked_data!
   parallel
   parseconfig
diff --git a/test/controllers/test_properties_controller.rb b/test/controllers/test_properties_controller.rb
index 38f8708f..96879083 100644
--- a/test/controllers/test_properties_controller.rb
+++ b/test/controllers/test_properties_controller.rb
@@ -35,12 +35,12 @@ def test_properties
     get "/ontologies/#{@@acronyms.first}/properties"
     assert last_response.ok?
     results = MultiJson.load(last_response.body)
-    assert_includes [85, 56], results.length # depending if owlapi imports SKOS
+    assert_equal 81, results.length
 
     get "/ontologies/#{@@acronyms.last}/properties"
     assert last_response.ok?
     results = MultiJson.load(last_response.body)
-    assert_includes [35] , results.length # depending if owlapi imports SKOS
+    assert_equal 35, results.length
   end
 
   def test_single_property
@@ -59,7 +59,7 @@ def test_property_roots
     get "/ontologies/#{@@acronyms.first}/properties/roots"
     assert last_response.ok?
     pr = MultiJson.load(last_response.body)
-    assert_includes [62, 52], pr.length #depending if owlapi import SKOS
+    assert_equal 58, pr.length
 
     # count object properties
     opr = pr.select { |p| p["@type"] == "http://www.w3.org/2002/07/owl#ObjectProperty" }
@@ -108,7 +108,7 @@ def test_property_tree
     get "/ontologies/#{@@acronyms.first}/properties/http%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23topConceptOf/tree"
     assert last_response.ok?
     pr = MultiJson.load(last_response.body)
-    assert_equal 62, pr.length
+    assert_equal 58, pr.length
     num_found = 0
 
     pr.each do |p|