diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b7504a2f..60c29914 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.189.0"
+  ".": "1.190.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 258e4a3f..0cc36c41 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 232
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-46a90f99726aa861d06ec56fb73592b4dcb4499d5a765d1a10dfc9619446306f.yml
-openapi_spec_hash: 8406b96c39c72de064a810c393c00554
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-cfc57f9c5bccf2918dfb5fc56fb6b6fd1eadd851f037b6873ba4e2442d5c8126.yml
+openapi_spec_hash: 7e54b69798d6a1487474ed229a83c6fc
 config_hash: 27e44ed36b9c5617b580ead7231a594a
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52d1f06a..ecc32a51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.190.0 (2026-01-30)
+
+Full Changelog: [v1.189.0...v1.190.0](https://github.com/Increase/increase-ruby/compare/v1.189.0...v1.190.0)
+
+### Features
+
+* **api:** api update ([f7cc074](https://github.com/Increase/increase-ruby/commit/f7cc0747c6b88057f4d8cfa995b15069062d222c))
+
 ## 1.189.0 (2026-01-30)
 
 Full Changelog: [v1.188.0...v1.189.0](https://github.com/Increase/increase-ruby/compare/v1.188.0...v1.189.0)
diff --git a/Gemfile.lock b/Gemfile.lock
index 24aae282..50211a74 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    increase (1.189.0)
+    increase (1.190.0)
       cgi
       connection_pool
 
diff --git a/README.md b/README.md
index 9d2fa5aa..8f8b7518 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "increase", "~> 1.189.0"
+gem "increase", "~> 1.190.0"
 ```
 
 <!-- x-release-please-end -->
diff --git a/lib/increase/models/account.rb b/lib/increase/models/account.rb
index b3a61603..39e09f2b 100644
--- a/lib/increase/models/account.rb
+++ b/lib/increase/models/account.rb
@@ -55,8 +55,8 @@ class Account < Increase::Internal::Type::BaseModel
       # @!attribute funding
       #   Whether the Account is funded by a loan or by deposits.
       #
-      #   @return [Symbol, Increase::Models::Account::Funding, nil]
-      required :funding, enum: -> { Increase::Account::Funding }, nil?: true
+      #   @return [Symbol, Increase::Models::Account::Funding]
+      required :funding, enum: -> { Increase::Account::Funding }
 
       # @!attribute idempotency_key
       #   The idempotency key you chose for this object. This value is unique across
@@ -148,7 +148,7 @@ class Account < Increase::Internal::Type::BaseModel
       #
       #   @param entity_id [String] The identifier for the Entity the Account belongs to.
       #
-      #   @param funding [Symbol, Increase::Models::Account::Funding, nil] Whether the Account is funded by a loan or by deposits.
+      #   @param funding [Symbol, Increase::Models::Account::Funding] Whether the Account is funded by a loan or by deposits.
       #
       #   @param idempotency_key [String, nil] The idempotency key you chose for this object. This value is unique across Incre
       #
diff --git a/lib/increase/version.rb b/lib/increase/version.rb
index d0ba42bd..d4a595fe 100644
--- a/lib/increase/version.rb
+++ b/lib/increase/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Increase
-  VERSION = "1.189.0"
+  VERSION = "1.190.0"
 end
diff --git a/rbi/increase/models/account.rbi b/rbi/increase/models/account.rbi
index accecbcf..719dd746 100644
--- a/rbi/increase/models/account.rbi
+++ b/rbi/increase/models/account.rbi
@@ -41,7 +41,7 @@ module Increase
       attr_accessor :entity_id
 
       # Whether the Account is funded by a loan or by deposits.
-      sig { returns(T.nilable(Increase::Account::Funding::TaggedSymbol)) }
+      sig { returns(Increase::Account::Funding::TaggedSymbol) }
       attr_accessor :funding
 
       # The idempotency key you chose for this object. This value is unique across
@@ -107,7 +107,7 @@ module Increase
           created_at: Time,
           currency: Increase::Account::Currency::OrSymbol,
           entity_id: String,
-          funding: T.nilable(Increase::Account::Funding::OrSymbol),
+          funding: Increase::Account::Funding::OrSymbol,
           idempotency_key: T.nilable(String),
           informational_entity_id: T.nilable(String),
           interest_accrued: String,
@@ -185,7 +185,7 @@ module Increase
             created_at: Time,
             currency: Increase::Account::Currency::TaggedSymbol,
             entity_id: String,
-            funding: T.nilable(Increase::Account::Funding::TaggedSymbol),
+            funding: Increase::Account::Funding::TaggedSymbol,
             idempotency_key: T.nilable(String),
             informational_entity_id: T.nilable(String),
             interest_accrued: String,
diff --git a/sig/increase/models/account.rbs b/sig/increase/models/account.rbs
index 5ac10b60..64fb6be7 100644
--- a/sig/increase/models/account.rbs
+++ b/sig/increase/models/account.rbs
@@ -9,7 +9,7 @@ module Increase
         created_at: Time,
         currency: Increase::Models::Account::currency,
         entity_id: String,
-        funding: Increase::Models::Account::funding?,
+        funding: Increase::Models::Account::funding,
         idempotency_key: String?,
         informational_entity_id: String?,
         interest_accrued: String,
@@ -37,7 +37,7 @@ module Increase
 
       attr_accessor entity_id: String
 
-      attr_accessor funding: Increase::Models::Account::funding?
+      attr_accessor funding: Increase::Models::Account::funding
 
       attr_accessor idempotency_key: String?
 
@@ -67,7 +67,7 @@ module Increase
         created_at: Time,
         currency: Increase::Models::Account::currency,
         entity_id: String,
-        funding: Increase::Models::Account::funding?,
+        funding: Increase::Models::Account::funding,
         idempotency_key: String?,
         informational_entity_id: String?,
         interest_accrued: String,
@@ -88,7 +88,7 @@ module Increase
         created_at: Time,
         currency: Increase::Models::Account::currency,
         entity_id: String,
-        funding: Increase::Models::Account::funding?,
+        funding: Increase::Models::Account::funding,
         idempotency_key: String?,
         informational_entity_id: String?,
         interest_accrued: String,
diff --git a/test/increase/resources/accounts_test.rb b/test/increase/resources/accounts_test.rb
index 1c7be5bd..0802c85a 100644
--- a/test/increase/resources/accounts_test.rb
+++ b/test/increase/resources/accounts_test.rb
@@ -19,7 +19,7 @@ def test_create_required_params
         created_at: Time,
         currency: Increase::Account::Currency,
         entity_id: String,
-        funding: Increase::Account::Funding | nil,
+        funding: Increase::Account::Funding,
         idempotency_key: String | nil,
         informational_entity_id: String | nil,
         interest_accrued: String,
@@ -50,7 +50,7 @@ def test_retrieve
         created_at: Time,
         currency: Increase::Account::Currency,
         entity_id: String,
-        funding: Increase::Account::Funding | nil,
+        funding: Increase::Account::Funding,
         idempotency_key: String | nil,
         informational_entity_id: String | nil,
         interest_accrued: String,
@@ -81,7 +81,7 @@ def test_update
         created_at: Time,
         currency: Increase::Account::Currency,
         entity_id: String,
-        funding: Increase::Account::Funding | nil,
+        funding: Increase::Account::Funding,
         idempotency_key: String | nil,
         informational_entity_id: String | nil,
         interest_accrued: String,
@@ -119,7 +119,7 @@ def test_list
         created_at: Time,
         currency: Increase::Account::Currency,
         entity_id: String,
-        funding: Increase::Account::Funding | nil,
+        funding: Increase::Account::Funding,
         idempotency_key: String | nil,
         informational_entity_id: String | nil,
         interest_accrued: String,
@@ -168,7 +168,7 @@ def test_close
         created_at: Time,
         currency: Increase::Account::Currency,
         entity_id: String,
-        funding: Increase::Account::Funding | nil,
+        funding: Increase::Account::Funding,
         idempotency_key: String | nil,
         informational_entity_id: String | nil,
         interest_accrued: String,