diff --git a/Gemfile b/Gemfile
index 00d7d8c4..c824482d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,7 +79,7 @@ gem 'good_job', '~> 4.0'
 gem 'rotp'
 
 gem 'grpc', '~> 1.67'
-gem 'tucana', '0.0.50'
+gem 'tucana', '0.0.52'
 
 gem 'code0-identities', '~> 0.0.3'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 2479dce1..19349ef4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -377,7 +377,7 @@ GEM
     thor (1.4.0)
     timeout (0.6.0)
     tsort (0.2.0)
-    tucana (0.0.50)
+    tucana (0.0.52)
       grpc (~> 1.64)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -431,7 +431,7 @@ DEPENDENCIES
   simplecov (~> 0.22.0)
   simplecov-cobertura (~> 3.0)
   test-prof (~> 1.0)
-  tucana (= 0.0.50)
+  tucana (= 0.0.52)
   tzinfo-data
 
 RUBY VERSION
diff --git a/app/models/flow_setting.rb b/app/models/flow_setting.rb
index 274cc61b..2cefaf08 100644
--- a/app/models/flow_setting.rb
+++ b/app/models/flow_setting.rb
@@ -7,7 +7,7 @@ def to_grpc
     Tucana::Shared::FlowSetting.new(
       database_id: id,
       flow_setting_id: flow_setting_id,
-      object: Tucana::Shared::Struct.from_hash(object)
+      value: Tucana::Shared::Value.from_ruby(object)
     )
   end
 end
diff --git a/spec/models/flow_spec.rb b/spec/models/flow_spec.rb
index b54294d6..d57efd3a 100644
--- a/spec/models/flow_spec.rb
+++ b/spec/models/flow_spec.rb
@@ -90,10 +90,12 @@
           settings: [
             database_id: flow.flow_settings.first.id,
             flow_setting_id: flow.flow_settings.first.flow_setting_id,
-            object: {
-              fields: {
-                'url' => {
-                  string_value: flow.flow_settings.first.object['url'],
+            value: {
+              struct_value: {
+                fields: {
+                  'url' => {
+                    string_value: flow.flow_settings.first.object['url'],
+                  },
                 },
               },
             }