diff --git a/examples/attachments.scad b/examples/attachments.scad
index a0e8ed1..238b3c1 100644
--- a/examples/attachments.scad
+++ b/examples/attachments.scad
@@ -1,9 +1,10 @@
 include <BOSL2/std.scad>
+include <BOSL2/hull.scad>
 
 $fn=32;
 
 cuboid([60,40,40], rounding=5, edges=edges("Z"), anchor=BOTTOM) {
-	attach(TOP, BOTTOM) rounded_prismoid([60,40],[20,20], h=50, r1=5, r2=10) {
+	attach(TOP, BOTTOM) prismoid([60,40],[20,20], h=50, rounding1=5, rounding2=10) {
 		attach(TOP) cylinder(d=20, h=30, center=false) {
 			attach(TOP) cylinder(d1=50, d2=30, h=12, center=false);
 		}
diff --git a/version.scad b/version.scad
index 25c816a..cfb828e 100644
--- a/version.scad
+++ b/version.scad
@@ -8,7 +8,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,319];
+BOSL_VERSION = [2,0,320];
 
 
 // Section: BOSL Library Version Functions