## Test environments
* local R installation, R 4.0.3
* ubuntu 16.04 (on travis-ci), R 4.0.3
* win-builder (devel)

## R CMD check results

0 errors | 0 warnings | 0 notes

* This is a maintanance/bug-fix release
* Fixed CRAN check error for age_group_distribution function
* Fixed dplyr warning