diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d51d882..07a0c67 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -27,20 +27,20 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.8
+          version: v2.12
   build:
     name: Build
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
       - name: Set up Go 1.x
         uses: actions/setup-go@v3
         with:
-          go-version: 1.25
+          go-version-file: go.mod
         id: go
 
-      - name: Checkout code
-        uses: actions/checkout@v3
-
       - name: Get dependencies
         run: |
           go get -v -t -d ./...
diff --git a/cache/cache.go b/cache/cache.go
index ef09fdb..6130711 100644
--- a/cache/cache.go
+++ b/cache/cache.go
@@ -4,9 +4,9 @@
 package cache
 
 import (
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 )
 
 // SchemaCacheEntry holds a compiled schema and its intermediate representations.
diff --git a/content/content.go b/content/content.go
index e657f48..ad45939 100644
--- a/content/content.go
+++ b/content/content.go
@@ -27,8 +27,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
-	"go.yaml.in/yaml/v4"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 )
diff --git a/errors/parameter_errors_test.go b/errors/parameter_errors_test.go
index 0e9e83c..738cb56 100644
--- a/errors/parameter_errors_test.go
+++ b/errors/parameter_errors_test.go
@@ -7,11 +7,11 @@ import (
 	"context"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/pb33f/libopenapi/datamodel/low"
 	"github.com/pb33f/libopenapi/orderedmap"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
diff --git a/errors/request_errors_test.go b/errors/request_errors_test.go
index cc41d72..1e12793 100644
--- a/errors/request_errors_test.go
+++ b/errors/request_errors_test.go
@@ -7,10 +7,10 @@ import (
 	"net/http"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/low"
 	"github.com/pb33f/libopenapi/orderedmap"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 	lowv3 "github.com/pb33f/libopenapi/datamodel/low/v3"
diff --git a/errors/response_errors_test.go b/errors/response_errors_test.go
index 1cd4b1c..7ba2cde 100644
--- a/errors/response_errors_test.go
+++ b/errors/response_errors_test.go
@@ -7,10 +7,10 @@ import (
 	"net/http"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/low"
 	"github.com/pb33f/libopenapi/orderedmap"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 	lowv3 "github.com/pb33f/libopenapi/datamodel/low/v3"
diff --git a/errors/spec_line_col.go b/errors/spec_line_col.go
index 0c679ee..824c1c3 100644
--- a/errors/spec_line_col.go
+++ b/errors/spec_line_col.go
@@ -4,7 +4,7 @@
 package errors
 
 import (
-	"go.yaml.in/yaml/v4"
+	"github.com/pb33f/go-yaml"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 
diff --git a/go.mod b/go.mod
index 95b8805..0ecb8f7 100644
--- a/go.mod
+++ b/go.mod
@@ -1,17 +1,17 @@
 module github.com/pb33f/libopenapi-validator
 
-go 1.25.7
+go 1.26.0
 
 require (
 	github.com/basgys/goxml2json v1.1.1-0.20231018121955-e66ee54ceaad
 	github.com/dlclark/regexp2 v1.12.0
 	github.com/go-openapi/jsonpointer v0.23.2
 	github.com/goccy/go-yaml v1.19.2
-	github.com/pb33f/jsonpath v0.8.2
-	github.com/pb33f/libopenapi v0.38.6
-	github.com/pb33f/testify v0.1.0
+	github.com/pb33f/go-yaml v0.1.0
+	github.com/pb33f/jsonpath v0.8.4
+	github.com/pb33f/libopenapi v0.41.1
+	github.com/pb33f/testify v0.1.1
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.2
-	go.yaml.in/yaml/v4 v4.0.0-rc.6
 	golang.org/x/text v0.38.0
 )
 
@@ -19,7 +19,7 @@ require (
 	github.com/bahlo/generic-list-go v0.2.0 // indirect
 	github.com/buger/jsonparser v1.1.2 // indirect
 	github.com/go-openapi/swag/jsonname v0.26.1 // indirect
-	github.com/pb33f/ordered-map/v2 v2.3.1 // indirect
+	github.com/pb33f/ordered-map/v2 v2.3.2 // indirect
 	golang.org/x/net v0.50.0 // indirect
-	golang.org/x/sync v0.21.0 // indirect
+	golang.org/x/sync v0.23.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 2b88717..03722d2 100644
--- a/go.sum
+++ b/go.sum
@@ -19,14 +19,16 @@ github.com/go-openapi/testify/v2 v2.6.0 h1:5PKH2HE7YJ/LuRPQGvSxBRlFXNQhSetBLlGAg
 github.com/go-openapi/testify/v2 v2.6.0/go.mod h1:SgsVHtfooshd0tublTtJ50FPKhujf47YRqauXXOUxfw=
 github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
 github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
-github.com/pb33f/jsonpath v0.8.2 h1:Ou4C7zjYClBm97dfZjDCjdZGusJoynv/vrtiEKNfj2Y=
-github.com/pb33f/jsonpath v0.8.2/go.mod h1:zBV5LJW4OQOPatmQE2QdKpGQJvhDTlE5IEj6ASaRNTo=
-github.com/pb33f/libopenapi v0.38.6 h1:rnLshOSCSLx3JmN/MnftyYcdN1FfaeRkbaBE/ZHdIXg=
-github.com/pb33f/libopenapi v0.38.6/go.mod h1:8yHl64vr+ICrnzSgiwJmZ54heRqCqrhI/JL1ge+CPIY=
-github.com/pb33f/ordered-map/v2 v2.3.1 h1:5319HDO0aw4DA4gzi+zv4FXU9UlSs3xGZ40wcP1nBjY=
-github.com/pb33f/ordered-map/v2 v2.3.1/go.mod h1:qxFQgd0PkVUtOMCkTapqotNgzRhMPL7VvaHKbd1HnmQ=
-github.com/pb33f/testify v0.1.0 h1:g48/HDU/jn2COspS4nM0scptxiKTJ4DnbX/4ehK6IZ8=
-github.com/pb33f/testify v0.1.0/go.mod h1:nq283P/jJ8hXMmdhAqfj7BJIz0y+6IOHj9q0044rKt4=
+github.com/pb33f/go-yaml v0.1.0 h1:zZ6Gg+ATbumXlXZNLMHIe7+zTkVqe20lx+TSYRrXEuY=
+github.com/pb33f/go-yaml v0.1.0/go.mod h1:QvWdkHP5VjFYAeHMQUkaPQqREaQnBNOXmWzAjNrnSdo=
+github.com/pb33f/jsonpath v0.8.4 h1:Yx7fxsKl8scgERL22WhKDs2c6gYNNUonPSWEG8Y194s=
+github.com/pb33f/jsonpath v0.8.4/go.mod h1:eO6mgdhw5RgzCxm/bXTi75VUs0/cCYJzdGjMCCUEI6M=
+github.com/pb33f/libopenapi v0.41.1 h1:k2TzRNoFWdwtgZK8LpmqIHIPxD/6nExHkmB7QZXBets=
+github.com/pb33f/libopenapi v0.41.1/go.mod h1:okMH18Y4oyUXUSCr84u+hHe7t/gWDwoHv/f3CEls4SQ=
+github.com/pb33f/ordered-map/v2 v2.3.2 h1:wDyaZ2Pv9QLh64X4utCeD5Zoi9nIv2aW3lwv172O5PQ=
+github.com/pb33f/ordered-map/v2 v2.3.2/go.mod h1:1OhFrXu3OYw3kM+FXF+Ug3ugmmZ9LE8z0JfQMLvtV0w=
+github.com/pb33f/testify v0.1.1 h1:mnHe7uxKt8dyNYEGUspow72VjD264DB5rOJq4bz5tJw=
+github.com/pb33f/testify v0.1.1/go.mod h1:keghMqOLECF1ENzESnfM+cwPcKN5uhTOpvbtjgL6aZg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/santhosh-tekuri/jsonschema/v6 v6.0.2 h1:KRzFb2m7YtdldCEkzs6KqmJw4nqEVZGK7IN2kJkjTuQ=
@@ -36,8 +38,6 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-go.yaml.in/yaml/v4 v4.0.0-rc.6 h1:1h7H1ohdUh93/FyE4YaDa1Zh64K6VVbjF4K6WUxMtH4=
-go.yaml.in/yaml/v4 v4.0.0-rc.6/go.mod h1:aZqd9kCMsGL7AuUv/m/PvWLdg5sjJsZ4oHDEnfPPfY0=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
@@ -54,8 +54,8 @@ golang.org/x/net v0.50.0/go.mod h1:UgoSli3F/pBgdJBHCTc+tp3gmrU4XswgGRgtnwWTfyM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.21.0 h1:HLII4xRRTtCRkxYp4HNFF0Js/Og6q2i++KXbg0gHCwM=
-golang.org/x/sync v0.21.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sync v0.23.0 h1:KameEIfc1IkluZyXWLn39Wd4tURc6GbCiISGiZm2bQk=
+golang.org/x/sync v0.23.0/go.mod h1:sUUOizhqBxiL6pEWpqNLUiaJn1ShEbZ6BBqskPbjZm0=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/kin_parity_test.go b/kin_parity_test.go
index c4b2a10..0faed44 100644
--- a/kin_parity_test.go
+++ b/kin_parity_test.go
@@ -14,11 +14,11 @@ import (
 	"sync/atomic"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/pb33f/testify/assert"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 
diff --git a/request_defaults.go b/request_defaults.go
index 6e9979e..6d72679 100644
--- a/request_defaults.go
+++ b/request_defaults.go
@@ -11,8 +11,8 @@ import (
 	"net/url"
 	"strings"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
-	"go.yaml.in/yaml/v4"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
 
diff --git a/requests/validate_request.go b/requests/validate_request.go
index e760f85..6f4954f 100644
--- a/requests/validate_request.go
+++ b/requests/validate_request.go
@@ -12,9 +12,9 @@ import (
 	"regexp"
 	"strconv"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 	"golang.org/x/text/language"
 	"golang.org/x/text/message"
 
diff --git a/responses/validate_response.go b/responses/validate_response.go
index e307b86..66013b6 100644
--- a/responses/validate_response.go
+++ b/responses/validate_response.go
@@ -14,9 +14,9 @@ import (
 	"regexp"
 	"strconv"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 	"golang.org/x/text/language"
 	"golang.org/x/text/message"
 
diff --git a/schema_validation/directional_schema.go b/schema_validation/directional_schema.go
index 1260516..52ea352 100644
--- a/schema_validation/directional_schema.go
+++ b/schema_validation/directional_schema.go
@@ -8,9 +8,9 @@ import (
 	"fmt"
 	"math"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/pb33f/libopenapi/utils"
-	"go.yaml.in/yaml/v4"
 )
 
 // SchemaValidationPurpose identifies the context in which a schema is compiled.
diff --git a/schema_validation/directional_schema_test.go b/schema_validation/directional_schema_test.go
index 5b5ad6a..52b950b 100644
--- a/schema_validation/directional_schema_test.go
+++ b/schema_validation/directional_schema_test.go
@@ -9,11 +9,11 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/pb33f/testify/assert"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 )
 
 func TestRenderSchemaForValidation_DirectionalRequiredProperties(t *testing.T) {
diff --git a/schema_validation/locate_schema_property.go b/schema_validation/locate_schema_property.go
index 9d70bd1..674c595 100644
--- a/schema_validation/locate_schema_property.go
+++ b/schema_validation/locate_schema_property.go
@@ -7,10 +7,10 @@ import (
 	"net/url"
 	"strings"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/jsonpath/pkg/jsonpath"
 	"github.com/pb33f/jsonpath/pkg/jsonpath/config"
 	"github.com/pb33f/libopenapi/utils"
-	"go.yaml.in/yaml/v4"
 )
 
 // LocateSchemaPropertyNodeByJSONPath will locate a schema property node by a JSONPath. It converts something like
diff --git a/schema_validation/locate_schema_property_test.go b/schema_validation/locate_schema_property_test.go
index 3e3e1fb..c15ec3b 100644
--- a/schema_validation/locate_schema_property_test.go
+++ b/schema_validation/locate_schema_property_test.go
@@ -6,9 +6,9 @@ package schema_validation
 import (
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/testify/assert"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 )
 
 func TestLocateSchemaPropertyNodeByJSONPath_BadNode(t *testing.T) {
diff --git a/schema_validation/property_locator.go b/schema_validation/property_locator.go
index dce4377..539a444 100644
--- a/schema_validation/property_locator.go
+++ b/schema_validation/property_locator.go
@@ -7,8 +7,8 @@ import (
 	"regexp"
 	"strings"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 
 	liberrors "github.com/pb33f/libopenapi-validator/errors"
 	"github.com/pb33f/libopenapi-validator/helpers"
diff --git a/schema_validation/property_locator_test.go b/schema_validation/property_locator_test.go
index d7aa2df..6bc52df 100644
--- a/schema_validation/property_locator_test.go
+++ b/schema_validation/property_locator_test.go
@@ -6,9 +6,9 @@ package schema_validation
 import (
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/pb33f/testify/assert"
-	"go.yaml.in/yaml/v4"
 )
 
 func TestExtractPropertyNameFromError_InvalidPropertyName(t *testing.T) {
diff --git a/schema_validation/schema_resources.go b/schema_validation/schema_resources.go
index c881b7f..e2ad918 100644
--- a/schema_validation/schema_resources.go
+++ b/schema_validation/schema_resources.go
@@ -10,11 +10,12 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
+	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
 	"github.com/pb33f/libopenapi/index"
 	"github.com/pb33f/libopenapi/utils"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 
 	"github.com/pb33f/libopenapi-validator/cache"
 	"github.com/pb33f/libopenapi-validator/config"
@@ -298,7 +299,7 @@ func buildSchemaDocumentResources(
 		return nil, nil
 	}
 
-	schemaPointer, ok := jsonPointerForNode(schemaIndex.GetRootNode(), schema.GoLow().GetRootNode())
+	schemaIndex, schemaPointer, ok := schemaRootLocation(schema.GoLow())
 	if !ok {
 		return nil, fmt.Errorf("schema node was not found in its root document")
 	}
@@ -665,6 +666,26 @@ func pruneDirectionalRequiredEverywhere(node *yaml.Node, purpose SchemaValidatio
 	}
 }
 
+// schemaRootLocation returns the index whose document holds the schema's root node, and the node's JSON pointer
+// in that document. A schema built from a $ref reports the index of the file its content came from (libopenapi
+// v0.39 and later), while its root node stays the authored $ref node, in the file of its parent proxy.
+func schemaRootLocation(lowSchema *lowbase.Schema) (*index.SpecIndex, string, bool) {
+	rootNode := lowSchema.GetRootNode()
+	candidates := []*index.SpecIndex{lowSchema.GetIndex()}
+	if lowSchema.ParentProxy != nil {
+		candidates = append(candidates, lowSchema.ParentProxy.GetIndex())
+	}
+	for _, idx := range candidates {
+		if idx == nil {
+			continue
+		}
+		if pointer, ok := jsonPointerForNode(idx.GetRootNode(), rootNode); ok {
+			return idx, pointer, true
+		}
+	}
+	return nil, "", false
+}
+
 // jsonPointerForNode returns the RFC 6901 pointer to targetNode relative to rootNode.
 func jsonPointerForNode(rootNode, targetNode *yaml.Node) (string, bool) {
 	if rootNode == nil || targetNode == nil {
diff --git a/schema_validation/schema_resources_test.go b/schema_validation/schema_resources_test.go
index 5ab1a63..f228bd1 100644
--- a/schema_validation/schema_resources_test.go
+++ b/schema_validation/schema_resources_test.go
@@ -4,18 +4,19 @@
 package schema_validation
 
 import (
+	"context"
 	"os"
 	"path/filepath"
 	"strings"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/pb33f/libopenapi/datamodel"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/pb33f/libopenapi/index"
 	"github.com/pb33f/testify/assert"
 	"github.com/pb33f/testify/require"
-	"go.yaml.in/yaml/v4"
 
 	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
 
@@ -1307,3 +1308,35 @@ components:
 		"name": "Desk",
 	}))
 }
+
+func TestSchemaRootLocation(t *testing.T) {
+	doc, err := libopenapi.NewDocument([]byte(`openapi: 3.1.0
+info:
+  title: Test
+  version: 1.0.0
+components:
+  schemas:
+    Pet:
+      type: object`))
+	require.NoError(t, err)
+	model, errs := doc.BuildV3Model()
+	require.Empty(t, errs)
+
+	// a schema whose root node is in its own index's document.
+	pet := model.Model.Components.Schemas.GetOrZero("Pet").Schema().GoLow()
+	idx, pointer, ok := schemaRootLocation(pet)
+	require.True(t, ok)
+	assert.Same(t, pet.GetIndex(), idx)
+	assert.Equal(t, "/components/schemas/Pet", pointer)
+
+	// a root node in no candidate document, with a parent proxy that has no index.
+	var detached yaml.Node
+	require.NoError(t, yaml.Unmarshal([]byte("type: string"), &detached))
+	orphan := new(lowbase.Schema)
+	require.NoError(t, orphan.Build(context.Background(), detached.Content[0], pet.GetIndex()))
+	orphan.ParentProxy = new(lowbase.SchemaProxy)
+	idx, pointer, ok = schemaRootLocation(orphan)
+	assert.False(t, ok)
+	assert.Nil(t, idx)
+	assert.Empty(t, pointer)
+}
diff --git a/schema_validation/validate_document.go b/schema_validation/validate_document.go
index 02f838d..4db2fca 100644
--- a/schema_validation/validate_document.go
+++ b/schema_validation/validate_document.go
@@ -11,9 +11,9 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 	"golang.org/x/text/language"
 	"golang.org/x/text/message"
 
diff --git a/schema_validation/validate_document_test.go b/schema_validation/validate_document_test.go
index 662d110..c5b10ad 100644
--- a/schema_validation/validate_document_test.go
+++ b/schema_validation/validate_document_test.go
@@ -8,10 +8,10 @@ import (
 	"os"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/pb33f/libopenapi/datamodel"
 	"github.com/pb33f/testify/assert"
-	"go.yaml.in/yaml/v4"
 
 	"github.com/pb33f/libopenapi-validator/config"
 	liberrors "github.com/pb33f/libopenapi-validator/errors"
diff --git a/schema_validation/validate_schema.go b/schema_validation/validate_schema.go
index 425eb59..79274e6 100644
--- a/schema_validation/validate_schema.go
+++ b/schema_validation/validate_schema.go
@@ -14,9 +14,9 @@ import (
 	"regexp"
 	"strconv"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi/datamodel/high/base"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 	"golang.org/x/text/language"
 	"golang.org/x/text/message"
 
diff --git a/schema_validation/validate_schema_extract_errors_test.go b/schema_validation/validate_schema_extract_errors_test.go
index 2572931..8885ec7 100644
--- a/schema_validation/validate_schema_extract_errors_test.go
+++ b/schema_validation/validate_schema_extract_errors_test.go
@@ -6,10 +6,10 @@ package schema_validation
 import (
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/testify/assert"
 	"github.com/pb33f/testify/require"
 	"github.com/santhosh-tekuri/jsonschema/v6"
-	"go.yaml.in/yaml/v4"
 	"golang.org/x/text/message"
 )
 
diff --git a/schema_validation/validate_schema_test.go b/schema_validation/validate_schema_test.go
index afd5d55..7f4be9c 100644
--- a/schema_validation/validate_schema_test.go
+++ b/schema_validation/validate_schema_test.go
@@ -7,11 +7,11 @@ import (
 	"encoding/json"
 	"testing"
 
+	"github.com/pb33f/go-yaml"
 	"github.com/pb33f/libopenapi"
 	"github.com/pb33f/libopenapi-validator/cache"
 	"github.com/pb33f/libopenapi-validator/config"
 	"github.com/pb33f/testify/assert"
-	"go.yaml.in/yaml/v4"
 )
 
 func TestLocateSchemaPropertyNodeByJSONPath(t *testing.T) {