diff --git a/DESCRIPTION b/DESCRIPTION
index 334d778..25a608e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -6,7 +6,7 @@ Description: Client for 'Turfjs' (<http://turfjs.org>) for
     measuring aspects of 'GeoJSON', and combining, transforming,
     and creating random 'GeoJSON' data objects.
 Type: Package
-Version: 0.4.9.9210
+Version: 0.5.0
 License: MIT + file LICENSE
 Authors@R: c(
     person("Scott", "Chamberlain", role = c("aut", "cre"), 
diff --git a/NEWS.md b/NEWS.md
index c5cba42..735180d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,8 +1,13 @@
-lawn 0.4.2
+lawn 0.5.0
 ==========
 
-Fix problems on Fedora.
+- fix tests for upcoming V8 R package changes (#78) (#79)
+
+
+lawn 0.4.2
+==========
 
+- Fix problems on Fedora.
 
 
 lawn 0.4.0
diff --git a/cran-comments.md b/cran-comments.md
index de7d55a..aa4d964 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,7 +1,7 @@
 ## Test environments
 
-* local OS X install, R 3.4.2 patched
-* ubuntu 12.04 (on travis-ci), R 3.4.2
+* local OS X install, R 3.5.2 patched
+* ubuntu 14.04 (on travis-ci), R 3.5.2
 * win-builder (devel and release)
 
 ## R CMD check results
@@ -11,7 +11,7 @@
    License components with restrictions and base license permitting such:
      MIT + file LICENSE
    File 'LICENSE':
-     YEAR: 2017
+     YEAR: 2019
      COPYRIGHT HOLDER: Scott Chamberlain
 
 ## Reverse dependencies
@@ -20,6 +20,6 @@ There are no reverse dependencies.
 
 ---
 
-This version fixes problems on Fedora.
+This version fixes unit tests for upcoming V8 R package changes.
 
 Thanks! Scott Chamberlain