diff --git a/hibernate-core/src/main/java/org/hibernate/type/jackson/JacksonIntegration.java b/hibernate-core/src/main/java/org/hibernate/type/jackson/JacksonIntegration.java
index c50b5be3bc..cf9101ef45 100644
--- a/hibernate-core/src/main/java/org/hibernate/type/jackson/JacksonIntegration.java
+++ b/hibernate-core/src/main/java/org/hibernate/type/jackson/JacksonIntegration.java
@@ -10,24 +10,23 @@ import org.hibernate.type.FormatMapper;
 
 public final class JacksonIntegration {
 
-	// Implementation note: we rely on the following two fields to be folded as constants
+	// Implementation note: we rely on the following fields to be folded as constants
 	// when GraalVM native image is initializing them.
-	private static final boolean JACKSON_AVAILABLE = ableToLoadJackson();
-	private static final JacksonXmlFormatMapper XML_FORMAT_MAPPER = JACKSON_AVAILABLE ? new JacksonXmlFormatMapper() : null;
-	private static final JacksonJsonFormatMapper JSON_FORMAT_MAPPER = JACKSON_AVAILABLE ? new JacksonJsonFormatMapper() : null;
+	private static final boolean JACKSON_XML_AVAILABLE = ableToLoadJacksonXMLMapper();
+	private static final boolean JACKSON_JSON_AVAILABLE = ableToLoadJacksonJSONMapper();
+	private static final JacksonXmlFormatMapper XML_FORMAT_MAPPER = JACKSON_XML_AVAILABLE ? new JacksonXmlFormatMapper() : null;
+	private static final JacksonJsonFormatMapper JSON_FORMAT_MAPPER = JACKSON_JSON_AVAILABLE ? new JacksonJsonFormatMapper() : null;
 
 	private JacksonIntegration() {
 		//To not be instantiated: static helpers only
 	}
 
-	private static boolean ableToLoadJackson() {
-		try {
-			JacksonIntegration.class.getClassLoader().loadClass( "com.fasterxml.jackson.dataformat.xml.XmlMapper" );
-			return true;
-		}
-		catch (ClassNotFoundException | LinkageError e) {
-			return false;
-		}
+	private static boolean ableToLoadJacksonJSONMapper() {
+		return canLoad( "com.fasterxml.jackson.databind.ObjectMapper" );
+	}
+
+	private static boolean ableToLoadJacksonXMLMapper() {
+		return canLoad( "com.fasterxml.jackson.dataformat.xml.XmlMapper" );
 	}
 
 	public static FormatMapper getXMLJacksonFormatMapperOrNull() {
@@ -37,4 +36,18 @@ public final class JacksonIntegration {
 	public static FormatMapper getJsonJacksonFormatMapperOrNull() {
 		return JSON_FORMAT_MAPPER;
 	}
+
+	private static boolean canLoad(String name) {
+		try {
+			//N.B. intentionally not using the context classloader
+			// as we're storing these in static references;
+			// IMO it's reasonable to expect that such dependencies are made reachable from the ORM classloader.
+			// (we can change this if it's more problematic than expected).
+			JacksonIntegration.class.getClassLoader().loadClass( name );
+			return true;
+		}
+		catch (ClassNotFoundException | LinkageError e) {
+			return false;
+		}
+	}
 }
diff --git a/hibernate-core/src/main/java/org/hibernate/type/jakartajson/JakartaJsonIntegration.java b/hibernate-core/src/main/java/org/hibernate/type/jakartajson/JakartaJsonIntegration.java
index aa2ea82762..e967d91998 100644
--- a/hibernate-core/src/main/java/org/hibernate/type/jakartajson/JakartaJsonIntegration.java
+++ b/hibernate-core/src/main/java/org/hibernate/type/jakartajson/JakartaJsonIntegration.java
@@ -21,7 +21,11 @@ public final class JakartaJsonIntegration {
 
 	private static boolean ableToLoadJakartaJsonB() {
 		try {
-			JakartaJsonIntegration.class.getClassLoader().loadClass( "jakarta.json.bind.Jsonb" );
+			//N.B. intentionally not using the context classloader
+			// as we're storing these in static references;
+			// IMO it's reasonable to expect that such dependencies are made reachable from the ORM classloader.
+			// (we can change this if it's more problematic than expected).
+			JakartaJsonIntegration.class.getClassLoader().loadClass( "jakarta.json.bind.JsonbBuilder" );
 			return true;
 		}
 		catch (ClassNotFoundException | LinkageError e) {