diff --git a/jakarta-xmlbind/pom.xml b/jakarta-xmlbind/pom.xml
index 11f3dcbd7..6c6da799e 100644
--- a/jakarta-xmlbind/pom.xml
+++ b/jakarta-xmlbind/pom.xml
@@ -55,9 +55,9 @@
 
     <!-- 15-Jan-2022, tatu: as per [modules-base#152] -->
     <dependency>
-      <groupId>com.sun.activation</groupId>
-      <artifactId>jakarta.activation</artifactId>
-      <version>2.0.1</version>
+      <groupId>jakarta.activation</groupId>
+      <artifactId>jakarta.activation-api</artifactId>
+      <version>2.1.0</version>
     </dependency>
 
     <!-- may also need JAXB impl for tests -->
diff --git a/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/JakartaXmlBindAnnotationIntrospector.java b/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/JakartaXmlBindAnnotationIntrospector.java
index adeae788c..ea17e68a7 100644
--- a/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/JakartaXmlBindAnnotationIntrospector.java
+++ b/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/JakartaXmlBindAnnotationIntrospector.java
@@ -717,16 +717,16 @@ public JsonSerializer<?> findSerializer(Annotated am)
     }
 
     /**
-     * Determines whether the type is assignable to class javax.activation.DataHandler without requiring that class
+     * Determines whether the type is assignable to class jakarta.activation.DataHandler without requiring that class
      * to be on the classpath.
      *
      * @param type The type.
-     * @return Whether the type is assignable to class javax.activation.DataHandler
+     * @return Whether the type is assignable to class jakarta.activation.DataHandler
      */
     private boolean isDataHandler(Class<?> type)
     {
         return type != null && (Object.class != type)
-               && (("javax.activation.DataHandler".equals(type.getName()) || isDataHandler(type.getSuperclass())));
+               && (("jakarta.activation.DataHandler".equals(type.getName()) || isDataHandler(type.getSuperclass())));
     }
 
     @Override
diff --git a/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/deser/DataHandlerDeserializer.java b/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/deser/DataHandlerDeserializer.java
index 974f401ef..ab94d25a4 100644
--- a/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/deser/DataHandlerDeserializer.java
+++ b/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/deser/DataHandlerDeserializer.java
@@ -5,8 +5,8 @@
 import java.io.OutputStream;
 import java.io.ByteArrayInputStream;
 
-import javax.activation.DataHandler;
-import javax.activation.DataSource;
+import jakarta.activation.DataHandler;
+import jakarta.activation.DataSource;
 
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
diff --git a/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/ser/DataHandlerSerializer.java b/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/ser/DataHandlerSerializer.java
index f4c2c76d7..480cb2f5b 100644
--- a/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/ser/DataHandlerSerializer.java
+++ b/jakarta-xmlbind/src/main/java/com/fasterxml/jackson/module/jakarta/xmlbind/ser/DataHandlerSerializer.java
@@ -5,7 +5,7 @@
 import java.io.InputStream;
 import java.lang.reflect.Type;
 
-import javax.activation.DataHandler;
+import jakarta.activation.DataHandler;
 
 import com.fasterxml.jackson.core.*;
 import com.fasterxml.jackson.databind.JavaType;