diff --git a/DESCRIPTION b/DESCRIPTION
index 3966a63..d0ec111 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: 'KorAP' Web Service Client Package
-Version: 0.5.7.9001
+Version: 0.5.8
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",
diff --git a/NEWS.md b/NEWS.md
index 75c91a4..50b8f6d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,9 @@
+# RKorAPClient 0.5.8
+
 ## Changes
 - New boolean parameter `smooth` added to `hc_freq_by_year_ci`
+
+## Bug Fixes
 - Fixed issues with [dplyr 1.0](https://github.com/tidyverse/dplyr/releases/tag/v1.0.0)
 
 # RKorAPClient 0.5.7
diff --git a/cran-comments.md b/cran-comments.md
index db9a979..62f8406 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,13 +1,14 @@
 ## Test environments
-* local Fedora 31 with R version 3.6.3
+* local Fedora 32 with R version 3.6.3
 * CentOS 7.7
-* win builder (release)
+* win builder (devel)
 * R-hub builder
+* github workflow with checks on Ubuntu, Mac and Windows with R 4.0
 
 ## local R CMD check results
 ```
-── R CMD check results ───────────────────────────────── RKorAPClient 0.5.7 ────
-Duration: 45.1s
+── R CMD check results ──────────────────────────── RKorAPClient 0.5.7.9001 ────
+Duration: 5m 31.9s
 
 0 errors ✓ | 0 warnings ✓ | 0 notes ✓
 
@@ -16,10 +17,56 @@
 
 ## https://cran.rstudio.com//web/checks/check_results_RKorAPClient.html
 
-```
-checking dependencies in R code ... NOTE
-Namespace in Imports field not imported from: ‘curl’
-  All declared Imports should be used.
-```
+Fixed donttest compatibility issues with dplyr 1.0.0:
+https://www.stats.ox.ac.uk/pub/bdr/donttest/RKorAPClient.out
 
-Fixed in 0.5.7
+## R-hub on Winodows Server 2008
+… reports the following dependency issue which, however, does not appear on any other test build (win builder, mac, Ubuntu, Fedora) and seems unrelated to RKorAPClient:
+
+```
+ 877#> trying URL 'https://cloud.r-project.org/bin/windows/contrib/4.1/PTXQC_1.0.4.zip'
+
+ 878#> Content type 'application/zip' length 4038469 bytes (3.9 MB)
+
+ 879#> ==================================================
+
+ 880#> downloaded 3.9 MB
+
+ 881#> setting _R_CHECK_FORCE_SUGGESTS_ to false
+
+ 882#> setting R_COMPILE_AND_INSTALL_PACKAGES to never
+
+ 883#> setting _R_CHECK_THINGS_IN_CHECK_DIR_ to false
+
+ 884#> setting R_REMOTES_STANDALONE to true
+
+ 885#> setting R_REMOTES_NO_ERRORS_FROM_WARNINGS to true
+
+ 886#> setting _R_CHECK_FORCE_SUGGESTS_ to true
+
+ 887#> setting _R_CHECK_CRAN_INCOMING_USE_ASPELL_ to true
+
+ 888#> * installing to library 'C:/Users/USERSHFYCydkVg/R'
+
+ 889#> * installing *source* package 'RKorAPClient' ...
+
+ 890#> ** using staged installation
+
+ 891#> ** R
+
+ 892#> ** demo
+
+ 893#> ** byte-compile and prepare package for lazy loading
+
+ 894#> Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :
+
+ 895#> namespace 'vctrs' 0.2.4 is being loaded, but >= 0.3.0 is required
+
+ 896#> Calls: ... namespaceImport -> loadNamespace -> namespaceImport -> loadNamespace
+
+ 897#> Execution halted
+
+ 898#> ERROR: lazy loading failed for package 'RKorAPClient'
+
+ 899#> * removing 'C:/Users/USERSHFYCydkVg/R/RKorAPClient'
+```