diff --git a/CITATION.cff b/CITATION.cff
index 87739d0..2857c6f 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,7 +8,7 @@ message: 'To cite package "rsmatrix" in publications use:'
 type: software
 license: MIT
 title: 'rsmatrix: Matrices for Repeat-Sales Price Indexes'
-version: 0.2.9
+version: 0.2.10
 doi: 10.5281/zenodo.10110159
 identifiers:
 - type: doi
@@ -28,10 +28,10 @@ preferred-citation:
     given-names: Steve
     orcid: https://orcid.org/0000-0003-2544-9480
     email: marberts@protonmail.com
-  year: '2024'
+  year: '2026'
   doi: 10.5281/zenodo.10110159
   url: https://cran.r-project.org/package=rsmatrix
-  notes: R package version 0.2.9
+  notes: R package version 0.2.10
 repository: https://CRAN.R-project.org/package=rsmatrix
 repository-code: https://github.com/marberts/rsmatrix
 url: https://marberts.github.io/rsmatrix/
@@ -58,7 +58,7 @@ references:
   institution:
     name: R Foundation for Statistical Computing
     address: Vienna, Austria
-  year: '2025'
+  year: '2026'
   version: '>= 4.0'
 - type: software
   title: Matrix
@@ -77,7 +77,7 @@ references:
   - family-names: Jagan
     given-names: Mikael
     orcid: https://orcid.org/0000-0002-3542-2938
-  year: '2025'
+  year: '2026'
   doi: 10.32614/CRAN.package.Matrix
   version: '>= 1.5-0'
 - type: software
@@ -91,7 +91,7 @@ references:
     given-names: Yihui
     email: xie@yihui.name
     orcid: https://orcid.org/0000-0003-0645-5666
-  year: '2025'
+  year: '2026'
   doi: 10.32614/CRAN.package.knitr
 - type: software
   title: rmarkdown
@@ -135,7 +135,7 @@ references:
     given-names: Richard
     email: rich@posit.co
     orcid: https://orcid.org/0000-0003-3925-190X
-  year: '2025'
+  year: '2026'
   doi: 10.32614/CRAN.package.rmarkdown
 - type: software
   title: testthat
@@ -147,7 +147,7 @@ references:
   - family-names: Wickham
     given-names: Hadley
     email: hadley@posit.co
-  year: '2025'
+  year: '2026'
   doi: 10.32614/CRAN.package.testthat
   version: '>= 3.0.0'
 - type: software
@@ -161,7 +161,7 @@ references:
     given-names: Steve
     email: marberts@protonmail.com
     orcid: https://orcid.org/0000-0003-2544-9480
-  year: '2025'
+  year: '2026'
   doi: 10.32614/CRAN.package.gpindex
 - type: software
   title: piar
@@ -174,7 +174,7 @@ references:
     given-names: Steve
     email: marberts@protonmail.com
     orcid: https://orcid.org/0000-0003-2544-9480
-  year: '2025'
+  year: '2026'
   doi: 10.32614/CRAN.package.piar
-  version: '>= 0.6.0'
+  version: '>= 0.8.2'
 
diff --git a/CRAN-SUBMISSION b/CRAN-SUBMISSION
index 0705d15..b94012d 100644
--- a/CRAN-SUBMISSION
+++ b/CRAN-SUBMISSION
@@ -1,3 +1,3 @@
-Version: 0.2.9
-Date: 2024-12-14 03:13:59 UTC
-SHA: b35700cf0e20c050b6cb5718d2e96a3a8b97df82
+Version: 0.2.10
+Date: 2026-05-08 02:45:56 UTC
+SHA: a3352faa6f4ccff88b8c96301a4d6e3e546eeed4
diff --git a/DESCRIPTION b/DESCRIPTION
index c01058f..55739c4 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: rsmatrix
 Title: Matrices for Repeat-Sales Price Indexes
-Version: 0.2.9.9001
+Version: 0.2.10
 Authors@R: c(
     person(given = "Steve", family = "Martin", role = c("aut", "cre", "cph"),
            email = "marberts@protonmail.com",
@@ -16,12 +16,12 @@ Suggests:
     rmarkdown,
     testthat (>= 3.0.0),
     gpindex,
-    piar (>= 0.6.0)
+    piar (>= 0.8.2)
 License: MIT + file LICENSE
 Encoding: UTF-8
 URL: https://marberts.github.io/rsmatrix/, https://github.com/marberts/rsmatrix
 BugReports: https://github.com/marberts/rsmatrix/issues
 Config/testthat/edition: 3
 VignetteBuilder: knitr
-RoxygenNote: 7.3.2
 Roxygen: list(markdown = TRUE)
+Config/roxygen2/version: 8.0.0
diff --git a/NEWS.md b/NEWS.md
index 12a2acc..f79e05c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+## rsmatrix 0.2.10
+
+- Fixed failing check on CRAN.
+
 ## rsmatrix 0.2.9
 
 - Updated maintainer email.
diff --git a/cran-comments.md b/cran-comments.md
index 5eedecc..74cfdf7 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,8 +1,7 @@
 ## Test environments
 
-- local Ubuntu 24.04 installation, R 4.4.2
+- local Ubuntu 24.04 installation, R 4.5.3
 - win-builder (devel, release, oldrelease)
-- mac-builder
 
 ## R CMD check results
 
diff --git a/inst/CITATION b/inst/CITATION
index 5c55290..f0931a4 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -3,7 +3,7 @@ bibentry(
   title    = "{rsmatrix}: Matrices for Repeat-Sales Price Indexes",
   author   = person("Steve", "Martin", role = c("aut", "cre", "cph"),
                     comment = c(ORCID = "0000-0003-2544-9480")),
-  year     = "2024",
+  year     = "2026",
   doi      = "10.5281/zenodo.10110159",
   url      = "https://cran.r-project.org/package=rsmatrix",
   note     = sprintf("R package version %s", meta$Version)
diff --git a/man/rsmatrix-package.Rd b/man/rsmatrix-package.Rd
index 6904527..1dc7e75 100644
--- a/man/rsmatrix-package.Rd
+++ b/man/rsmatrix-package.Rd
@@ -22,5 +22,10 @@ Useful links:
 \author{
 \strong{Maintainer}: Steve Martin \email{marberts@protonmail.com} (\href{https://orcid.org/0000-0003-2544-9480}{ORCID}) [copyright holder]
 
+Authors:
+\itemize{
+  \item Steve Martin \email{marberts@protonmail.com} (\href{https://orcid.org/0000-0003-2544-9480}{ORCID}) [copyright holder]
+}
+
 }
 \keyword{internal}
diff --git a/vignettes/rsmatrix.Rmd b/vignettes/rsmatrix.Rmd
index 8353bdb..367d306 100644
--- a/vignettes/rsmatrix.Rmd
+++ b/vignettes/rsmatrix.Rmd
@@ -170,14 +170,14 @@ Once the index is calculated, it's often easier to turn into a matrix-like objec
 library(piar)
 
 dimensions <- do.call(rbind, strsplit(rownames(grs), ".", fixed = TRUE))
-grs_piar <- elemental_index(
+grs_piar <- elementary_index(
   grs,
   period = dimensions[, 2],
   ea = dimensions[, 1],
   chainable = FALSE
 )
 
-head(grs_piar, c(5, 5))
+grs_piar[1:5, 1:5]
 ```
 
 ## Sales pair contributions