diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff6cd0d3e..efd8cc3a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@
   - **Feature:** Add response `IntakeRunnerResponse` to `UpdateIntakeRunnerExecute` request
   - **Feature:** Add response `IntakeUserResponse` to `UpdateIntakeUserExecute` request
 - `stackitmarketplace`:
+  - [v1.12.0](services/stackitmarketplace/CHANGELOG.md#v1120)
+    - **Breaking Change:** Change `Logo` field type from `*[]byte` to `*string` in `CatalogProductDetail`, `CatalogProductDetailsVendor`, and `CatalogProductOverview` models
   - [v1.11.0](services/stackitmarketplace/CHANGELOG.md#v1110)
     - **Feature:** Add new field `DemoUrl` to `CatalogProductDetail` model
   - [v1.10.0](services/stackitmarketplace/CHANGELOG.md#v1100)
diff --git a/services/stackitmarketplace/CHANGELOG.md b/services/stackitmarketplace/CHANGELOG.md
index 1e655dea9..922527d68 100644
--- a/services/stackitmarketplace/CHANGELOG.md
+++ b/services/stackitmarketplace/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v1.12.0
+- **Breaking Change:** Change `Logo` field type from `*[]byte` to `*string` in `CatalogProductDetail`, `CatalogProductDetailsVendor`, and `CatalogProductOverview` models
+
 ## v1.11.0
 - **Feature:** Add new field `DemoUrl` to `CatalogProductDetail` model
 
diff --git a/services/stackitmarketplace/VERSION b/services/stackitmarketplace/VERSION
index 285cea5d1..13a15bd96 100644
--- a/services/stackitmarketplace/VERSION
+++ b/services/stackitmarketplace/VERSION
@@ -1 +1 @@
-v1.11.0
\ No newline at end of file
+v1.12.0
\ No newline at end of file
diff --git a/services/stackitmarketplace/model_catalog_product_detail.go b/services/stackitmarketplace/model_catalog_product_detail.go
index f7cd38379..efdd14822 100644
--- a/services/stackitmarketplace/model_catalog_product_detail.go
+++ b/services/stackitmarketplace/model_catalog_product_detail.go
@@ -245,10 +245,8 @@ func setCatalogProductDetailGetLifecycleStateAttributeType(arg *CatalogProductDe
 	types and functions for logo
 */
 
-// isByteArray
-type CatalogProductDetailGetLogoAttributeType = *[]byte
-type CatalogProductDetailGetLogoArgType = []byte
-type CatalogProductDetailGetLogoRetType = []byte
+// isNotNullableString
+type CatalogProductDetailGetLogoAttributeType = *string
 
 func getCatalogProductDetailGetLogoAttributeTypeOk(arg CatalogProductDetailGetLogoAttributeType) (ret CatalogProductDetailGetLogoRetType, ok bool) {
 	if arg == nil {
@@ -261,6 +259,9 @@ func setCatalogProductDetailGetLogoAttributeType(arg *CatalogProductDetailGetLog
 	*arg = &val
 }
 
+type CatalogProductDetailGetLogoArgType = string
+type CatalogProductDetailGetLogoRetType = string
+
 /*
 	types and functions for name
 */
@@ -513,7 +514,7 @@ type CatalogProductDetail struct {
 	IsProductListing CatalogProductDetailgetIsProductListingAttributeType `json:"isProductListing,omitempty"`
 	// REQUIRED
 	LifecycleState CatalogProductDetailGetLifecycleStateAttributeType `json:"lifecycleState" required:"true"`
-	// The logo base64 encoded.
+	// The logo information.
 	// REQUIRED
 	Logo CatalogProductDetailGetLogoAttributeType `json:"logo" required:"true"`
 	// The name of the product.
diff --git a/services/stackitmarketplace/model_catalog_product_details_vendor.go b/services/stackitmarketplace/model_catalog_product_details_vendor.go
index ec8fe18cc..329657050 100644
--- a/services/stackitmarketplace/model_catalog_product_details_vendor.go
+++ b/services/stackitmarketplace/model_catalog_product_details_vendor.go
@@ -42,10 +42,8 @@ type CatalogProductDetailsVendorGetDescriptionRetType = string
 	types and functions for logo
 */
 
-// isByteArray
-type CatalogProductDetailsVendorGetLogoAttributeType = *[]byte
-type CatalogProductDetailsVendorGetLogoArgType = []byte
-type CatalogProductDetailsVendorGetLogoRetType = []byte
+// isNotNullableString
+type CatalogProductDetailsVendorGetLogoAttributeType = *string
 
 func getCatalogProductDetailsVendorGetLogoAttributeTypeOk(arg CatalogProductDetailsVendorGetLogoAttributeType) (ret CatalogProductDetailsVendorGetLogoRetType, ok bool) {
 	if arg == nil {
@@ -58,6 +56,9 @@ func setCatalogProductDetailsVendorGetLogoAttributeType(arg *CatalogProductDetai
 	*arg = &val
 }
 
+type CatalogProductDetailsVendorGetLogoArgType = string
+type CatalogProductDetailsVendorGetLogoRetType = string
+
 /*
 	types and functions for name
 */
@@ -147,7 +148,7 @@ type CatalogProductDetailsVendor struct {
 	// The vendor description.
 	// REQUIRED
 	Description CatalogProductDetailsVendorGetDescriptionAttributeType `json:"description" required:"true"`
-	// The logo base64 encoded.
+	// The logo information.
 	// REQUIRED
 	Logo CatalogProductDetailsVendorGetLogoAttributeType `json:"logo" required:"true"`
 	// The product's vendor name.
diff --git a/services/stackitmarketplace/model_catalog_product_overview.go b/services/stackitmarketplace/model_catalog_product_overview.go
index 949246282..dac15d5d9 100644
--- a/services/stackitmarketplace/model_catalog_product_overview.go
+++ b/services/stackitmarketplace/model_catalog_product_overview.go
@@ -81,10 +81,8 @@ func setCatalogProductOverviewGetLifecycleStateAttributeType(arg *CatalogProduct
 	types and functions for logo
 */
 
-// isByteArray
-type CatalogProductOverviewGetLogoAttributeType = *[]byte
-type CatalogProductOverviewGetLogoArgType = []byte
-type CatalogProductOverviewGetLogoRetType = []byte
+// isNotNullableString
+type CatalogProductOverviewGetLogoAttributeType = *string
 
 func getCatalogProductOverviewGetLogoAttributeTypeOk(arg CatalogProductOverviewGetLogoAttributeType) (ret CatalogProductOverviewGetLogoRetType, ok bool) {
 	if arg == nil {
@@ -97,6 +95,9 @@ func setCatalogProductOverviewGetLogoAttributeType(arg *CatalogProductOverviewGe
 	*arg = &val
 }
 
+type CatalogProductOverviewGetLogoArgType = string
+type CatalogProductOverviewGetLogoRetType = string
+
 /*
 	types and functions for name
 */
@@ -187,7 +188,7 @@ type CatalogProductOverview struct {
 	FreeTrial      CatalogProductOverviewGetFreeTrialAttributeType      `json:"freeTrial,omitempty"`
 	// REQUIRED
 	LifecycleState CatalogProductOverviewGetLifecycleStateAttributeType `json:"lifecycleState" required:"true"`
-	// The logo base64 encoded.
+	// The logo information.
 	Logo CatalogProductOverviewGetLogoAttributeType `json:"logo,omitempty"`
 	// The name of the product.
 	// REQUIRED