diff --git a/Gemfile b/Gemfile
index a5715245..cf3fecc1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,7 +79,7 @@ gem 'good_job', '~> 4.0'
 gem 'rotp'
 
 gem 'grpc', '~> 1.67'
-gem 'tucana', '0.0.66'
+gem 'tucana', '0.0.67'
 
 gem 'code0-identities', '~> 0.0.3'
 
@@ -92,4 +92,4 @@ gem 'image_processing', '>= 1.2'
 
 gem 'json-schema', '~> 6.0'
 
-gem 'triangulum', '0.5.2'
+gem 'triangulum', '0.10.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4062bfd2..41ad8fc7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -377,13 +377,13 @@ GEM
     test-prof (1.5.0)
     thor (1.4.0)
     timeout (0.6.0)
-    triangulum (0.5.2)
+    triangulum (0.10.0)
       base64 (~> 0.3)
       json (~> 2.19)
       open3 (~> 0.2)
-      tucana (~> 0.0, >= 0.0.62)
+      tucana (~> 0.0, >= 0.0.67)
     tsort (0.2.0)
-    tucana (0.0.66)
+    tucana (0.0.67)
       grpc (~> 1.64)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -437,8 +437,8 @@ DEPENDENCIES
   simplecov (~> 0.22.0)
   simplecov-cobertura (~> 3.0)
   test-prof (~> 1.0)
-  triangulum (= 0.5.2)
-  tucana (= 0.0.66)
+  triangulum (= 0.10.0)
+  tucana (= 0.0.67)
   tzinfo-data
 
 RUBY VERSION
diff --git a/app/models/function_definition.rb b/app/models/function_definition.rb
index e65fc674..3710a422 100644
--- a/app/models/function_definition.rb
+++ b/app/models/function_definition.rb
@@ -15,7 +15,25 @@ class FunctionDefinition < ApplicationRecord
            class_name: 'Translation', as: :owner, inverse_of: :owner
   has_many :aliases, -> { by_purpose(:alias) }, class_name: 'Translation', as: :owner, inverse_of: :owner
 
-  delegate :to_grpc, to: :runtime_function_definition
-
   scope :by_node_function, ->(node_functions) { where(node_functions: node_functions) }
+
+  def to_grpc
+    Tucana::Shared::FunctionDefinition.new(
+      runtime_name: runtime_function_definition.runtime_name,
+      parameter_definitions: parameter_definitions.map(&:to_grpc),
+      signature: runtime_function_definition.signature,
+      throws_error: runtime_function_definition.throws_error,
+      name: names.map(&:to_grpc),
+      description: descriptions.map(&:to_grpc),
+      documentation: documentations.map(&:to_grpc),
+      deprecation_message: deprecation_messages.map(&:to_grpc),
+      display_message: display_messages.map(&:to_grpc),
+      alias: aliases.map(&:to_grpc),
+      linked_data_type_identifiers: runtime_function_definition.referenced_data_types.map(&:identifier),
+      version: runtime_function_definition.version,
+      display_icon: runtime_function_definition.display_icon,
+      definition_source: runtime_function_definition.definition_source,
+      runtime_definition_name: runtime_function_definition.runtime_name
+    )
+  end
 end