diff --git a/README.md b/README.md
index b5992b5..ea9614f 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ orders.insert_all \
 
 ```ruby
 # db/seeds/data/plans.rb
-plans.insert :basic, title: "Basic", price_cents: 10_00
+plans.upsert :basic, title: "Basic", price_cents: 10_00
 ```
 
 Seed files will generally use `create` and/or `insert`. Passing a symbol to name the record is useful when reusing the data in tests.
diff --git a/lib/oaken/stored/active_record.rb b/lib/oaken/stored/active_record.rb
index e1388f6..ccc5fd2 100644
--- a/lib/oaken/stored/active_record.rb
+++ b/lib/oaken/stored/active_record.rb
@@ -20,12 +20,12 @@ def create(label = nil, **attributes)
     record
   end
 
-  def insert(label = nil, **attributes)
+  def upsert(label = nil, **attributes)
     attributes = @attributes.merge(attributes)
     attributes.transform_values! { _1.respond_to?(:call) ? _1.call : _1 }
 
     type.new(attributes).validate!
-    record = type.new(id: type.insert(attributes, returning: :id).rows.first.first)
+    record = type.new(id: type.upsert(attributes, returning: :id).rows.first.first)
     label label => record if label
     record
   end
diff --git a/test/dummy/db/seeds/data/plans.rb b/test/dummy/db/seeds/data/plans.rb
index 6f3b4bc..16bd62d 100644
--- a/test/dummy/db/seeds/data/plans.rb
+++ b/test/dummy/db/seeds/data/plans.rb
@@ -1 +1 @@
-plans.insert :basic, title: "Basic", price_cents: 10_00
+plans.upsert :basic, title: "Basic", price_cents: 10_00
diff --git a/test/dummy/db/seeds/test/data/plans.rb b/test/dummy/db/seeds/test/data/plans.rb
index 3c0742a..c186268 100644
--- a/test/dummy/db/seeds/test/data/plans.rb
+++ b/test/dummy/db/seeds/test/data/plans.rb
@@ -1 +1 @@
-plans.insert :test_premium, title: "Premium", price_cents: 20_00
+plans.upsert :test_premium, title: "Premium", price_cents: 20_00