diff --git a/README.md b/README.md
index 397c3f5f..819aa285 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,8 @@ citation("metR")
 #>     title = {metR: Tools for Easier Analysis of Meteorological Fields},
 #>     author = {Elio Campitelli},
 #>     year = {2021},
-#>     note = {R package version 0.16.0},
-#>     url = {https://eliocamp.github.io/metR/, https://github.com/eliocamp/metR},
+#>     note = {R package version 0.16.0.9000},
+#>     url = {https://eliocamp.github.io/metR/},
 #>     doi = {10.5281/zenodo.2593516},
 #>   }
 ```
@@ -114,9 +114,6 @@ ggplot(aao$left, aes(lon, lat)) +
     coord_polar()
 #> Warning in .check_wrap_param(list(...)): 'xwrap' and 'ywrap' will be
 #> deprecated. Use ggperiodic::periodic insead.
-#> Warning: Computation failed in `stat_streamline()`.
-#> Caused by error in `[.data.table`:
-#> ! Supplied 10 items to be assigned to group 1 of size 9 in column 'step'. The RHS length must either be 1 (single values are ok) or match the LHS length exactly. If you wish to 'recycle' the RHS please use rep() explicitly to make this intent clear to readers of your code.
 ```
 
 ![](man/figures/field-1.png)<!-- -->
diff --git a/cran-comments.md b/cran-comments.md
index eb582a62..30578118 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,7 +1,7 @@
 
 ## Test environments
 
-* local installation of Ubuntu 22.04.1 R version 4.4.1
+* local installation of Ubuntu 24.04.1 R version 4.4.2
 * Github Actions:
     - macos-latest (release)
     - windows-latest (release)
diff --git a/man/figures/field-1.png b/man/figures/field-1.png
index b2e1a47f..c33da0b0 100644
Binary files a/man/figures/field-1.png and b/man/figures/field-1.png differ
diff --git a/man/figures/timeseries-1.png b/man/figures/timeseries-1.png
index 600170d0..3aa10132 100644
Binary files a/man/figures/timeseries-1.png and b/man/figures/timeseries-1.png differ