diff --git a/Gemfile b/Gemfile
index 1c87860c..de4be286 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ gem 'ncbo_cron', git: 'https://github.com/ontoportal-lirmm/ncbo_cron.git', branc
 gem 'ncbo_ontology_recommender', git: 'https://github.com/ncbo/ncbo_ontology_recommender.git', branch: 'master'
 gem 'goo', github: 'ontoportal-lirmm/goo', branch: 'development'
 gem 'sparql-client', github: 'ontoportal-lirmm/sparql-client', branch: 'development'
-gem 'ontologies_linked_data', git: 'https://github.com/ontoportal-lirmm/ontologies_linked_data.git', branch: 'feature/parse-diff-files'
+gem 'ontologies_linked_data', git: 'https://github.com/ontoportal-lirmm/ontologies_linked_data.git', branch: 'development'
 
 group :development do
   # bcrypt_pbkdf and ed35519 is required for capistrano deployments when using ed25519 keys; see https://github.com/miloserdow/capistrano-deploy/issues/42
diff --git a/Gemfile.lock b/Gemfile.lock
index 34f0734a..2470fac9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/ncbo/ncbo_ontology_recommender.git
-  revision: 013abea4af3b10910ec661dbb358a4b6cae198a4
+  revision: 9dbd4f179e42c52095129d353a5ac584e9bd47f3
   branch: master
   specs:
     ncbo_ontology_recommender (0.0.1)
@@ -11,7 +11,7 @@ GIT
 
 GIT
   remote: https://github.com/ontoportal-lirmm/goo.git
-  revision: a95245b8c964431505ca6315907440996c59a00d
+  revision: 6018b33373467b778744432ec78a6d814159d129
   branch: development
   specs:
     goo (0.0.2)
@@ -57,8 +57,8 @@ GIT
 
 GIT
   remote: https://github.com/ontoportal-lirmm/ontologies_linked_data.git
-  revision: d69ede0a0b3e3c5dee64fa75cb09cc6e16e0f4b5
-  branch: feature/parse-diff-files
+  revision: 0a456557bc0ae2a7d016000de9b57d3f9eca99a5
+  branch: development
   specs:
     ontologies_linked_data (0.0.1)
       activesupport
@@ -141,7 +141,7 @@ GEM
     docile (1.4.1)
     domain_name (0.6.20240107)
     ed25519 (1.3.0)
-    faraday (1.10.3)
+    faraday (1.10.4)
       faraday-em_http (~> 1.0)
       faraday-em_synchrony (~> 1.0)
       faraday-excon (~> 1.1)
@@ -204,7 +204,7 @@ GEM
       grpc (~> 1.41)
     googleapis-common-protos-types (1.16.0)
       google-protobuf (>= 3.18, < 5.a)
-    googleauth (1.11.0)
+    googleauth (1.11.1)
       faraday (>= 1.0, < 3.a)
       google-cloud-env (~> 2.1)
       jwt (>= 1.4, < 3.0)
@@ -231,7 +231,7 @@ GEM
       rdf (>= 2.2.8, < 4.0)
     json-schema (2.8.1)
       addressable (>= 2.4)
-    jwt (2.9.0)
+    jwt (2.9.3)
       base64
     kgio (2.11.4)
     libxml-ruby (5.0.3)
@@ -245,9 +245,10 @@ GEM
       net-pop
       net-smtp
     method_source (1.1.0)
-    mime-types (3.5.2)
+    mime-types (3.6.0)
+      logger
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.0903)
+    mime-types-data (3.2024.1001)
     mini_mime (1.1.5)
     minitest (4.7.5)
     minitest-stub_any_instance (1.0.3)
@@ -258,7 +259,7 @@ GEM
     mutex_m (0.2.0)
     net-http-persistent (4.0.4)
       connection_pool (~> 2.2)
-    net-imap (0.4.16)
+    net-imap (0.4.17)
       date
       net-protocol
     net-pop (0.1.2)
@@ -271,9 +272,9 @@ GEM
       net-ssh (>= 5.0.0, < 8.0.0)
     net-smtp (0.5.0)
       net-protocol
-    net-ssh (7.2.3)
+    net-ssh (7.3.0)
     netrc (0.11.0)
-    newrelic_rpm (9.13.0)
+    newrelic_rpm (9.14.0)
     oj (3.16.1)
     omni_logger (0.1.4)
       logger
@@ -342,7 +343,7 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     retriable (3.1.2)
-    rexml (3.3.7)
+    rexml (3.3.8)
     rsolr (2.6.0)
       builder (>= 2.1.2)
       faraday (>= 0.9, < 3, != 2.0.0)
@@ -378,7 +379,7 @@ GEM
       rack-test
       sinatra (~> 1.4.0)
       tilt (>= 1.3, < 3)
-    sshkit (1.23.1)
+    sshkit (1.23.2)
       base64
       net-scp (>= 1.1.2)
       net-sftp (>= 2.1.2)
@@ -464,4 +465,4 @@ DEPENDENCIES
   webmock (~> 3.19.1)
 
 BUNDLED WITH
-   2.3.23
+   2.4.22
diff --git a/test/controllers/test_categories_controller.rb b/test/controllers/test_categories_controller.rb
index d7e07cd2..4cfa7a0b 100644
--- a/test/controllers/test_categories_controller.rb
+++ b/test/controllers/test_categories_controller.rb
@@ -117,4 +117,34 @@ def test_delete_category
     get "/categories/#{acronym}"
     assert last_response.status == 404
   end
-end
\ No newline at end of file
+
+  def test_parent_category
+    parent_category1 = LinkedData::Models::Category.new(
+      acronym: "PARENT1",
+      name: "Parent Category 1",
+      description: "Description for Parent Category 1."
+    )
+    parent_category1.save
+
+    parent_category2 = LinkedData::Models::Category.new(
+      acronym: "PARENT2",
+      name: "Parent Category 2",
+      description: "Description for Parent Category 2."
+    )
+    parent_category2.save
+
+    category_instance = LinkedData::Models::Category.new(
+      acronym: "CAT123",
+      name: "Sample Category",
+      description: "This is a sample category.",
+      parentCategory: [parent_category1, parent_category2]
+    )
+    category_instance.save
+
+    get '/categories/CAT123'
+    fetched_category = MultiJson.load(last_response.body)
+
+    assert_equal fetched_category["parentCategory"].first , parent_category1.id.to_s
+    assert_equal fetched_category["parentCategory"].last , parent_category2.id.to_s
+  end
+end