diff --git a/go.mod b/go.mod
index 1dcac6b522..eed32d4867 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,7 @@ require (
 	github.com/jarcoal/httpmock v1.4.1
 	github.com/mongodb-forks/digest v1.1.0
 	github.com/mongodb/atlas-sdk-go v1.0.1-0.20251103084024-4a19449c6541
-	github.com/pb33f/libopenapi v0.27.2
+	github.com/pb33f/libopenapi v0.28.1
 	github.com/sebdah/goldie/v2 v2.8.0
 	github.com/spf13/cast v1.10.0
 	github.com/stretchr/testify v1.11.1
diff --git a/go.sum b/go.sum
index 98b183162f..de802a12e2 100644
--- a/go.sum
+++ b/go.sum
@@ -475,8 +475,8 @@ github.com/openlyinc/pointy v1.1.2 h1:LywVV2BWC5Sp5v7FoP4bUD+2Yn5k0VNeRbU5vq9jUM
 github.com/openlyinc/pointy v1.1.2/go.mod h1:w2Sytx+0FVuMKn37xpXIAyBNhFNBIJGR/v2m7ik1WtM=
 github.com/pb33f/jsonpath v0.1.2 h1:PlqXjEyecMqoYJupLxYeClCGWEpAFnh4pmzgspbXDPI=
 github.com/pb33f/jsonpath v0.1.2/go.mod h1:TtKnUnfqZm48q7a56DxB3WtL3ipkVtukMKGKxaR/uXU=
-github.com/pb33f/libopenapi v0.27.2 h1:buDwqA6SKWwrG4YZwJprBV+bk8uizqLgiF4lkIV9w14=
-github.com/pb33f/libopenapi v0.27.2/go.mod h1:mHMHA3ZKSZDTInNAuUtqkHlKLIjPm2HN1vgsGR57afc=
+github.com/pb33f/libopenapi v0.28.1 h1:vqE1Q08F6ohABsyKcK8kX7HYkR/+sILXGwCgFzF+aOg=
+github.com/pb33f/libopenapi v0.28.1/go.mod h1:mHMHA3ZKSZDTInNAuUtqkHlKLIjPm2HN1vgsGR57afc=
 github.com/pb33f/ordered-map/v2 v2.3.0 h1:k2OhVEQkhTCQMhAicQ3Z6iInzoZNQ7L9MVomwKBZ5WQ=
 github.com/pb33f/ordered-map/v2 v2.3.0/go.mod h1:oe5ue+6ZNhy7QN9cPZvPA23Hx0vMHnNVeMg4fGdCANw=
 github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
diff --git a/tools/codegen/codespec/api_spec_test.go b/tools/codegen/codespec/api_spec_test.go
index f6a0677684..6fa51f1de2 100644
--- a/tools/codegen/codespec/api_spec_test.go
+++ b/tools/codegen/codespec/api_spec_test.go
@@ -77,8 +77,8 @@ func TestBuildSchema(t *testing.T) {
 			openAPIDoc := fmt.Sprintf(openAPIDocTemplate, tc.schemaDefinition)
 			doc, err := libopenapi.NewDocument([]byte(openAPIDoc))
 			require.NoError(t, err)
-			model, errs := doc.BuildV3Model()
-			require.Empty(t, errs)
+			model, err := doc.BuildV3Model()
+			require.NoError(t, err)
 			schemaProxy := model.Model.Components.Schemas.GetOrZero("TestSchema")
 			require.NotNil(t, schemaProxy)
 			result, err := codespec.BuildSchema(schemaProxy)
diff --git a/tools/codegen/openapi/parser.go b/tools/codegen/openapi/parser.go
index c6908de2d3..2546a79619 100644
--- a/tools/codegen/openapi/parser.go
+++ b/tools/codegen/openapi/parser.go
@@ -18,12 +18,9 @@ func ParseAtlasAdminAPI(filePath string) (*libopenapi.DocumentModel[v3.Document]
 	if err != nil {
 		return nil, fmt.Errorf("cannot create new document: %e", err)
 	}
-	docModel, errors := document.BuildV3Model()
-	if len(errors) > 0 {
-		for i := range errors {
-			fmt.Printf("error: %e\n", errors[i])
-		}
-		return nil, fmt.Errorf("cannot create v3 model from document: %d errors reported", len(errors))
+	docModel, err := document.BuildV3Model()
+	if err != nil {
+		return nil, fmt.Errorf("cannot create v3 model from document: %w", err)
 	}
 
 	return docModel, nil