diff --git a/contrib/10.regexp/src/regexp.c b/contrib/10.regexp/src/regexp.c
index ab77fbbb..8c98bb2b 100644
--- a/contrib/10.regexp/src/regexp.c
+++ b/contrib/10.regexp/src/regexp.c
@@ -21,7 +21,7 @@ regexp_dtor(pic_state *pic, void *data)
   pic_free(pic, data);
 }
 
-static const pic_data_type regexp_type = { "regexp", regexp_dtor };
+static const pic_data_type regexp_type = { "regexp", regexp_dtor, NULL };
 
 #define pic_regexp_p(o) (pic_data_type_p((o), &regexp_type))
 #define pic_regexp_data_ptr(o) ((struct pic_regexp_t *)pic_data_ptr(o)->data)
diff --git a/extlib/benz b/extlib/benz
index a7c2933e..06971a11 160000
--- a/extlib/benz
+++ b/extlib/benz
@@ -1 +1 @@
-Subproject commit a7c2933e01152101ee2abc15bb75b035d4dafd74
+Subproject commit 06971a1144404bab62f0a9a7e7f881b18b6afde4