diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 53a291cdc026c..b6e6815d5a1b6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -31,7 +31,7 @@ jgit = "6.10.0.202406032230-r"
 jiraRestClient = "5.2.7"
 jruby = "9.4.7.0"
 jslt = "0.1.14"
-jsonSchemaValidator = "1.4.0"
+jsonSchemaValidator = "1.4.2"
 kotest = "5.9.1"
 kotlinxCoroutines = "1.8.1"
 kotlinxHtml = "0.11.0"
diff --git a/model/src/test/kotlin/JsonSchemaTest.kt b/model/src/test/kotlin/JsonSchemaTest.kt
index ee65f1f4ce868..8d30fc904171a 100644
--- a/model/src/test/kotlin/JsonSchemaTest.kt
+++ b/model/src/test/kotlin/JsonSchemaTest.kt
@@ -21,6 +21,7 @@ package org.ossreviewtoolkit.model
 
 import com.networknt.schema.JsonSchemaFactory
 import com.networknt.schema.SpecVersion
+import com.networknt.schema.serialization.JsonNodeReader
 
 import io.kotest.core.spec.style.StringSpec
 import io.kotest.inspectors.forAll
@@ -105,9 +106,11 @@ class JsonSchemaTest : StringSpec({
     }
 })
 
+private val nodeReader = JsonNodeReader.builder().yamlMapper(yamlMapper).build()
+
 private val schemaV7 = JsonSchemaFactory
     .builder(JsonSchemaFactory.getInstance(SpecVersion.VersionFlag.V7))
-    .yamlMapper(yamlMapper)
+    .jsonNodeReader(nodeReader)
     .build()
 
 private val repositoryConfigurationSchema =
diff --git a/plugins/reporters/spdx/src/funTest/kotlin/SpdxDocumentReporterFunTest.kt b/plugins/reporters/spdx/src/funTest/kotlin/SpdxDocumentReporterFunTest.kt
index 7de4ab07a5287..75b67fe8d4f1a 100644
--- a/plugins/reporters/spdx/src/funTest/kotlin/SpdxDocumentReporterFunTest.kt
+++ b/plugins/reporters/spdx/src/funTest/kotlin/SpdxDocumentReporterFunTest.kt
@@ -21,6 +21,7 @@ package org.ossreviewtoolkit.plugins.reporters.spdx
 
 import com.networknt.schema.JsonSchemaFactory
 import com.networknt.schema.SpecVersion
+import com.networknt.schema.serialization.JsonNodeReader
 
 import io.kotest.core.TestConfiguration
 import io.kotest.core.spec.style.WordSpec
@@ -70,15 +71,15 @@ import org.ossreviewtoolkit.utils.test.scannerRunOf
 class SpdxDocumentReporterFunTest : WordSpec({
     "Reporting to JSON" should {
         "create a valid document" {
-            val jsonMapper = FileFormat.JSON.mapper
+            val nodeReader = JsonNodeReader.builder().jsonMapper(FileFormat.JSON.mapper).build()
             val schema = JsonSchemaFactory
                 .builder(JsonSchemaFactory.getInstance(SpecVersion.VersionFlag.V7))
-                .jsonMapper(FileFormat.JSON.mapper)
+                .jsonNodeReader(nodeReader)
                 .build()
                 .getSchema(getAssetFile("spdx-schema.json").toURI())
 
             val jsonSpdxDocument = generateReport(ortResult, FileFormat.JSON)
-            val errors = schema.validate(jsonMapper.readTree(jsonSpdxDocument))
+            val errors = schema.validate(FileFormat.JSON.mapper.readTree(jsonSpdxDocument))
 
             errors should beEmpty()
         }