diff --git a/lib/gssapi/gssapi_locl.h b/lib/gssapi/gssapi_locl.h
index 759726199..24dbc2334 100644
--- a/lib/gssapi/gssapi_locl.h
+++ b/lib/gssapi/gssapi_locl.h
@@ -9,6 +9,8 @@
 #include <gssapi.h>
 
 #include <krb5.h>
+#include <des.h>
+#include <md5.h>
 #include <krb5_locl.h>
 
 extern krb5_context gssapi_krb5_context;
diff --git a/lib/gssapi/krb5/gssapi_locl.h b/lib/gssapi/krb5/gssapi_locl.h
index 759726199..24dbc2334 100644
--- a/lib/gssapi/krb5/gssapi_locl.h
+++ b/lib/gssapi/krb5/gssapi_locl.h
@@ -9,6 +9,8 @@
 #include <gssapi.h>
 
 #include <krb5.h>
+#include <des.h>
+#include <md5.h>
 #include <krb5_locl.h>
 
 extern krb5_context gssapi_krb5_context;