diff --git a/Project.toml b/Project.toml
index 1b130ea..b273512 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MIRT"
 uuid = "7035ae7a-3787-11e9-139a-5545ed3dc201"
 authors = ["fessler <fessler@umich.edu>"]
-version = "0.18"
+version = "0.18.1"
 
 [deps]
 AVSfldIO = "b6189060-daf9-4c28-845a-cc0984b81781"