diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index c5ac1c5..538ef81 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -3,7 +3,7 @@
  *
  * \brief Configuration options (set of defines)
  *
- *  Copyright (C) 2006-2011, Brainspark B.V.
+ *  Copyright (C) 2006-2012, Brainspark B.V.
  *
  *  This file is part of PolarSSL (http://www.polarssl.org)
  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@@ -684,6 +684,18 @@
 #define POLARSSL_SHA4_C
 
 /**
+ * \def POLARSSL_SSL_CACHE_C
+ *
+ * Enable simple SSL cache implementation.
+ *
+ * Module:  library/ssl_cache.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_CACHE_C
+ */
+#define POLARSSL_SSL_CACHE_C
+
+/**
  * \def POLARSSL_SSL_CLI_C
  *
  * Enable the SSL/TLS client code.