diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 1f2e76972..9d2ecb3be 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -3,6 +3,8 @@
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  *
+ * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -412,7 +414,7 @@ typedef struct krb5_creds {
 
 typedef struct krb5_cc_cache_cursor_data *krb5_cc_cache_cursor;
 
-#define KRB5_CC_OPS_VERSION 2
+#define KRB5_CC_OPS_VERSION 3
 
 typedef struct krb5_cc_ops {
     int version;
@@ -442,6 +444,8 @@ typedef struct krb5_cc_ops {
     krb5_error_code (*get_default_name)(krb5_context, char **);
     krb5_error_code (*set_default)(krb5_context, krb5_ccache);
     krb5_error_code (*lastchange)(krb5_context, krb5_ccache, krb5_timestamp *);
+    krb5_error_code (*set_kdc_offset)(krb5_context, krb5_ccache, krb5_deltat);
+    krb5_error_code (*get_kdc_offset)(krb5_context, krb5_ccache, krb5_deltat *);
 } krb5_cc_ops;
 
 struct krb5_log_facility;
@@ -834,6 +838,7 @@ extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_acc_ops;
 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_fcc_ops;
 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_mcc_ops;
 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_kcm_ops;
+extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_akcm_ops;
 extern KRB5_LIB_VARIABLE const krb5_cc_ops krb5_scc_ops;
 
 extern KRB5_LIB_VARIABLE const krb5_kt_ops krb5_fkt_ops;