diff --git a/Packages/Alpha_shapes_2/version b/Packages/Alpha_shapes_2/version
index e30270add3c..0867168961e 100644
--- a/Packages/Alpha_shapes_2/version
+++ b/Packages/Alpha_shapes_2/version
@@ -1 +1 @@
-9.0 (27 Feb 2001)
+9.1 (27 Feb 2001)