diff --git a/DESCRIPTION b/DESCRIPTION
index dcbd754..be99576 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: metacoder
 Title: Tools for Parsing, Manipulating, and Graphing Taxonomic Abundance Data
-Version: 0.2.0.9013
+Version: 0.2.1
 Authors@R: c(person("Zachary", "Foster", email =
         "zacharyfoster1989@gmail.com", role = c("aut", "cre")),
         person("Niklaus", "Grunwald", email =
@@ -57,7 +57,7 @@ Suggests:
     zlibbioc
 VignetteBuilder: knitr
 RoxygenNote: 6.0.1
-Date: 2018-01-04
+Date: 2018-05-01
 Encoding: UTF-8
 biocViews: 
 LinkingTo: Rcpp
diff --git a/cran-comments.md b/cran-comments.md
index f3372e2..a15100c 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,7 +1,7 @@
 ## Test environments
 
-* local desktop: ubuntu 16.04 install, R 3.4.0
-* on travis-ci: ubuntu 14.04.5 + R 3.4.2, devel, bioc-release [2018-01-04]
+* local desktop: ubuntu 16.04 install, R 3.4.4
+* on travis-ci: ubuntu 14.04.5 + R 3.5.0, devel, bioc-release [2018-05-01]
 * win-builder
 
 ## R CMD check results