diff --git a/src/main/resources/META-INF/rewrite/jakarta-ee-9.yml b/src/main/resources/META-INF/rewrite/jakarta-ee-9.yml
index 572ae46478..a0ca274043 100644
--- a/src/main/resources/META-INF/rewrite/jakarta-ee-9.yml
+++ b/src/main/resources/META-INF/rewrite/jakarta-ee-9.yml
@@ -986,6 +986,10 @@ recipeList:
       oldPackageName: javax.xml.bind
       newPackageName: jakarta.xml.bind
       recursive: true
+  - org.openrewrite.java.ChangeType:
+      oldFullyQualifiedTypeName: com.sun.xml.bind.marshaller.NamespacePrefixMapper
+      newFullyQualifiedTypeName: org.glassfish.jaxb.runtime.marshaller.NamespacePrefixMapper
+      ignoreDefinition: true
   - org.openrewrite.maven.UpgradePluginVersion:
       groupId: org.codehaus.mojo
       artifactId: jaxb2-maven-plugin
diff --git a/src/test/java/org/openrewrite/java/migrate/jakarta/JavaxXmlBindMigrationToJakartaXmlBindTest.java b/src/test/java/org/openrewrite/java/migrate/jakarta/JavaxXmlBindMigrationToJakartaXmlBindTest.java
index 8b4223e864..bebb91cf75 100644
--- a/src/test/java/org/openrewrite/java/migrate/jakarta/JavaxXmlBindMigrationToJakartaXmlBindTest.java
+++ b/src/test/java/org/openrewrite/java/migrate/jakarta/JavaxXmlBindMigrationToJakartaXmlBindTest.java
@@ -53,6 +53,24 @@ public void defaults(RecipeSpec spec) {
       public @interface XmlElement {}
       """;
 
+    @Language("java")
+    private static final String SUN_NAMESPACE_PREFIX_MAPPER_STUB = """
+      package com.sun.xml.bind.marshaller;
+      public abstract class NamespacePrefixMapper {
+          public abstract String[] getPreDeclaredNamespaceUris();
+          public abstract String getPreferredPrefix(String namespaceUri, String suggestion, boolean requirePrefix);
+      }
+      """;
+
+    @Language("java")
+    private static final String GLASSFISH_NAMESPACE_PREFIX_MAPPER_STUB = """
+      package org.glassfish.jaxb.runtime.marshaller;
+      public abstract class NamespacePrefixMapper {
+          public abstract String[] getPreDeclaredNamespaceUris();
+          public abstract String getPreferredPrefix(String namespaceUri, String suggestion, boolean requirePrefix);
+      }
+      """;
+
     @DocumentExample
     @Test
     void dontRetainJaxbApiWhenJacksonNotPresent() {
@@ -211,4 +229,45 @@ public class Test {
           )
         );
     }
+
+    @Test
+    void migrateNamespacePrefixMapper() {
+        rewriteRun(
+          spec -> spec.parser(JavaParser.fromJavaVersion()
+            .dependsOn(SUN_NAMESPACE_PREFIX_MAPPER_STUB, GLASSFISH_NAMESPACE_PREFIX_MAPPER_STUB)),
+          //language=java
+          java(
+            """
+              import com.sun.xml.bind.marshaller.NamespacePrefixMapper;
+
+              public class MyPrefixMapper extends NamespacePrefixMapper {
+                  @Override
+                  public String[] getPreDeclaredNamespaceUris() {
+                      return new String[0];
+                  }
+
+                  @Override
+                  public String getPreferredPrefix(String namespaceUri, String suggestion, boolean requirePrefix) {
+                      return suggestion;
+                  }
+              }
+              """,
+            """
+              import org.glassfish.jaxb.runtime.marshaller.NamespacePrefixMapper;
+
+              public class MyPrefixMapper extends NamespacePrefixMapper {
+                  @Override
+                  public String[] getPreDeclaredNamespaceUris() {
+                      return new String[0];
+                  }
+
+                  @Override
+                  public String getPreferredPrefix(String namespaceUri, String suggestion, boolean requirePrefix) {
+                      return suggestion;
+                  }
+              }
+              """
+          )
+        );
+    }
 }