diff --git a/Gemfile b/Gemfile
index 7d616193..dcaf2c45 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,17 +2,16 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'ffi'
 
 # This is needed temporarily to pull the Google Universal Analytics (UA)
 # data and store it in a file. See (bin/import_google_ua_analytics_data)
 # The ability to pull this data from Google will cease on July 1, 2024
 gem "google-apis-analytics_v3"
-
-gem 'google-analytics-data'
+gem 'google-analytics-data', '0.6.0'
+gem 'google-protobuf', '3.25.3'
 gem 'mail', '2.6.6'
 gem 'multi_json'
-gem 'oj', '~> 3.0'
+gem 'oj'
 gem 'parseconfig'
 gem 'pony'
 gem 'pry'
@@ -23,6 +22,7 @@ gem 'sys-proctable'
 gem 'request_store'
 gem 'parallel'
 gem 'json-ld'
+gem 'ffi', '~> 1.16.3'
 
 # Monitoring
 gem 'cube-ruby', require: 'cube'
diff --git a/Gemfile.lock b/Gemfile.lock
index ce73a327..8007b8cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -286,17 +286,18 @@ DEPENDENCIES
   binding_of_caller (~> 1.0)
   cube-ruby
   email_spec
-  ffi
+  ffi (~> 1.16.3)
   goo!
-  google-analytics-data
+  google-analytics-data (= 0.6.0)
   google-apis-analytics_v3
+  google-protobuf (= 3.25.3)
   json-ld
   mail (= 2.6.6)
   minitest (< 5.0)
   multi_json
   ncbo_annotator!
   ncbo_cron!
-  oj (~> 3.0)
+  oj
   ontologies_linked_data!
   parallel
   parseconfig
diff --git a/bin/ncbo_ontology_import b/bin/ncbo_ontology_import
index 9e6bc543..5404ee27 100755
--- a/bin/ncbo_ontology_import
+++ b/bin/ncbo_ontology_import
@@ -132,12 +132,16 @@ def upload_submission(sub_info, ontology)
     attribute_settings = new_submission.class.attribute_settings(key.to_sym)
 
     if attribute_settings
-      if attribute_settings[:enforce]&.include?(:date_time)
-        value = DateTime.parse(value)
+      if attribute_settings[:enforce]&.include?(:date_time) && attribute_settings[:enforce]&.include?(:list)
+        value = value.map { |v|  DateTime.parse(v) rescue DateTime.now }.uniq
+      elsif attribute_settings[:enforce]&.include?(:date_time)
+        value = DateTime.parse(value) rescue  DateTime.now
       elsif attribute_settings[:enforce]&.include?(:uri) && attribute_settings[:enforce]&.include?(:list)
         value = value.map { |v| RDF::IRI.new(v) }
       elsif attribute_settings[:enforce]&.include?(:uri)
         value = RDF::IRI.new(value)
+      elsif attribute_settings[:enforce]&.include?(:Agent)
+        next #TODO implement agent auto-creation
       end
     end