diff --git a/Project.toml b/Project.toml
index 70d879af..a3e2230a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Sinograms"
 uuid = "02a14def-c6e6-4ab0-b2df-0ab64bc8cdd7"
 authors = ["fessler <fessler@umich.edu>"]
-version = "0.5"
+version = "0.5.1"
 
 [deps]
 FFTW = "7a1cc6ca-52ef-59f5-83cd-3a7055c09341"