diff --git a/CHANGELOG.md b/CHANGELOG.md
index afcee48..efc2e01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -49,3 +49,6 @@
 # Version 5.2.1
 * Reverted accidental change to object creation during sync.
 * Added CI for the test suite.
+
+# Version 5.3.0
+* Changed salesforce_ar_sync to use bang (!) versions of Restforce CRUD methods to raise errors on Salesforce save failures instead of returning false.
diff --git a/lib/salesforce_ar_sync/salesforce_sync.rb b/lib/salesforce_ar_sync/salesforce_sync.rb
index cc0feed..7efffc2 100644
--- a/lib/salesforce_ar_sync/salesforce_sync.rb
+++ b/lib/salesforce_ar_sync/salesforce_sync.rb
@@ -176,20 +176,19 @@ def is_boolean?(attribute)
 
     def salesforce_create_object(attributes)
       attributes[self.class.salesforce_web_id_attribute_name.to_s] = id if self.class.salesforce_sync_web_id? && !new_record?
-      salesforce_id = SF_CLIENT.create(salesforce_object_name, format_attributes(attributes))
-      self.salesforce_id = salesforce_id
+      self.salesforce_id = SF_CLIENT.create!(salesforce_object_name, format_attributes(attributes))
       @exists_in_salesforce = true
     end
 
     def salesforce_update_object(attributes)
       attributes[self.class.salesforce_web_id_attribute_name.to_s] = id if self.class.salesforce_sync_web_id? && !new_record?
 
-      SF_CLIENT.update(salesforce_object_name, format_attributes(attributes).merge(Id: salesforce_id))
+      SF_CLIENT.update!(salesforce_object_name, format_attributes(attributes).merge(Id: salesforce_id))
     end
 
     def salesforce_delete_object
       if ar_sync_outbound_delete?
-        SF_CLIENT.destroy(salesforce_object_name, salesforce_id)
+        SF_CLIENT.destroy!(salesforce_object_name, salesforce_id)
       end
     end
 
@@ -236,7 +235,7 @@ def salesforce_sync(*attrs)
     def sync_web_id
       return false if !self.class.salesforce_sync_web_id? || SalesforceArSync.config['SYNC_ENABLED'] == false
 
-      SF_CLIENT.update(salesforce_object_name, Id: salesforce_id, self.class.salesforce_web_id_attribute_name.to_s => get_activerecord_web_id) if salesforce_id
+      SF_CLIENT.update!(salesforce_object_name, Id: salesforce_id, self.class.salesforce_web_id_attribute_name.to_s => get_activerecord_web_id) if salesforce_id
     end
 
     def get_activerecord_web_id
diff --git a/lib/salesforce_ar_sync/version.rb b/lib/salesforce_ar_sync/version.rb
index 6586453..11e387c 100644
--- a/lib/salesforce_ar_sync/version.rb
+++ b/lib/salesforce_ar_sync/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module SalesforceArSync
-  VERSION = '5.2.1'
+  VERSION = '5.3.0'
 end
diff --git a/spec/salesforce_ar_sync/salesforce_ar_sync_spec.rb b/spec/salesforce_ar_sync/salesforce_ar_sync_spec.rb
index 49d8e78..e2bba45 100644
--- a/spec/salesforce_ar_sync/salesforce_ar_sync_spec.rb
+++ b/spec/salesforce_ar_sync/salesforce_ar_sync_spec.rb
@@ -521,14 +521,14 @@ class ProcessUpdateTest < ActiveRecord::Base
           }
         )
 
-        expect(SF_CLIENT).to receive(:update).with('Contact', expected_attributes)
+        expect(SF_CLIENT).to receive(:update!).with('Contact', expected_attributes)
         contact.salesforce_update_object(contact.attributes)
       end
     end
 
     context 'when the class should not sync web id' do
       it 'calls SF_CLIENT.update with the correct parameters' do
-        expect(SF_CLIENT).to receive(:update).with('Contact', contact.attributes.merge(Id: contact.salesforce_id))
+        expect(SF_CLIENT).to receive(:update!).with('Contact', contact.attributes.merge(Id: contact.salesforce_id))
         contact.salesforce_update_object(contact.attributes)
       end
     end
@@ -549,14 +549,14 @@ class ProcessUpdateTest < ActiveRecord::Base
       SalesforceArSync.config['SYNC_ENABLED'] = true
       stub_const('SF_CLIENT', restforce_client_stub)
 
-      allow(SF_CLIENT).to receive(:update)
+      allow(SF_CLIENT).to receive(:update!)
       allow(contact).to receive(:salesforce_object_exists?).and_return(true)
     end
 
     context 'when supplied with which attributes to sync' do
       it 'calls SF_CLIENT.update with the correct parameters' do
         contact.salesforce_sync(:first_name, :email_address)
-        expect(SF_CLIENT).to have_received(:update).with(
+        expect(SF_CLIENT).to have_received(:update!).with(
           'Contact',
           Id: contact.salesforce_id,
           Contact.salesforce_sync_attribute_mapping.invert[:first_name] => contact.first_name,
@@ -568,7 +568,7 @@ class ProcessUpdateTest < ActiveRecord::Base
     context 'when supplied with invalid attributes to sync' do
       it 'calls SF_CLIENT.update with the correct parameters' do
         contact.salesforce_sync(:bad_attribute)
-        expect(SF_CLIENT).not_to have_received(:update)
+        expect(SF_CLIENT).not_to have_received(:update!)
       end
     end
   end