diff --git a/dictzip.c b/dictzip.c
index 7f1766c8..e78e16ea 100644
--- a/dictzip.c
+++ b/dictzip.c
@@ -19,7 +19,7 @@
  * 
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 51 Franklin Street, Suite 500, Boston, MA 02110, USA.
  */
 
 #include <stdlib.h>
diff --git a/dictzip.h b/dictzip.h
index 14abac80..730dfb9b 100644
--- a/dictzip.h
+++ b/dictzip.h
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 51 Franklin Street, Suite 500, Boston, MA 02110, USA.
  */
 
 #ifndef _DICTZIP_H_