diff --git a/DESCRIPTION b/DESCRIPTION
index 8834c1a5..7dec3ecb 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: iglu
 Type: Package
 Title: Interpreting Glucose Data from Continuous Glucose Monitors
-Version: 4.2.0
+Version: 4.2.1
 Authors@R: c(person("Elizabeth", "Chun",
             role = c("aut")),
             person("Steve", "Broll",