diff --git a/spring-web/src/main/java/org/springframework/http/MediaType.java b/spring-web/src/main/java/org/springframework/http/MediaType.java
index 8b8e04853f..f41bce8f72 100644
--- a/spring-web/src/main/java/org/springframework/http/MediaType.java
+++ b/spring-web/src/main/java/org/springframework/http/MediaType.java
@@ -111,6 +111,16 @@ public class MediaType extends MimeType implements Serializable {
 	 */
 	public final static String APPLICATION_OCTET_STREAM_VALUE = "application/octet-stream";
 
+	/**
+	 * Public constant media type for {@code application/pdf}.
+	 *  */
+	public final static MediaType APPLICATION_PDF;
+
+	/**
+	 * A String equivalent of {@link MediaType#APPLICATION_PDF}.
+	 */
+	public final static String APPLICATION_PDF_VALUE = "application/pdf";
+
 	/**
 	 * Public constant media type for {@code application/xhtml+xml}.
 	 *  */
@@ -212,6 +222,7 @@ public class MediaType extends MimeType implements Serializable {
 		APPLICATION_JSON = valueOf(APPLICATION_JSON_VALUE);
 		APPLICATION_JSON_UTF8 = valueOf(APPLICATION_JSON_UTF8_VALUE);
 		APPLICATION_OCTET_STREAM = valueOf(APPLICATION_OCTET_STREAM_VALUE);
+		APPLICATION_PDF = valueOf(APPLICATION_PDF_VALUE);
 		APPLICATION_XHTML_XML = valueOf(APPLICATION_XHTML_XML_VALUE);
 		APPLICATION_XML = valueOf(APPLICATION_XML_VALUE);
 		IMAGE_GIF = valueOf(IMAGE_GIF_VALUE);