diff --git a/CHANGES.md b/CHANGES.md
index 27c9fcf..640f014 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,11 @@
 # opensensmapr changelog
 This project does its best to adhere to semantic versioning.
 
+### 2018-09-21: v0.4.3
+- dynamically export S3 methods of forgeign generics
+  for compatibility with upcoming R 3.6.0
+- add `readr` as default dependency
+
 ### 2018-09-05: v0.4.2
 - move to sensebox GitHub organization
 - pass ... to plot.sensebox()
diff --git a/DESCRIPTION b/DESCRIPTION
index 2405eb3..a89c366 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: opensensmapr
 Type: Package
 Title: Client for the Data API of openSenseMap.org
-Version: 0.4.2
+Version: 0.4.3
 URL: http://github.com/sensebox/opensensmapR
 BugReports: http://github.com/sensebox/opensensmapR/issues
 Imports:
diff --git a/README.md b/README.md
index 63fba36..9ad21d7 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,19 @@ Where feasible, also add tests for the added / changed functionality in `tests/t
 Please note that this project is released with a [Contributor Code of Conduct](CONDUCT.md).
 By participating in this project you agree to abide by its terms.
 
+### build
+
+To build the package, either use `devtools::build()` or run
+```sh
+R CMD build .
+```
+
+next run the tests and checks:
+```sh
+R CMD check --as-cran ../opensensmapr_*.tar.gz
+# alternatively, if you're in a hurry:
+R CMD check --no-vignettes ../opensensmapr_*.tar.gz
+```
 ## License
 
 GPL-2.0 - Norwin Roosen