diff --git a/DESCRIPTION b/DESCRIPTION
index d945369..610047e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: rucrdtw
 Type: Package
 Title: R Bindings for the UCR Suite
-Version: 0.1.4
-Date: 2020-03-02
+Version: 0.1.5
+Date: 2023-08-22
 Authors@R: c(person("Philipp", "Boersch-Supan", email = "pboesu@gmail.com", role = c("aut", "cre"), comment = c(ORCID = "0000-0001-6723-6833")),
              person("Thanawin", "Rakthanmanon", role = "aut"),
              person("Bilson", "Campana", role = "aut"),
@@ -17,10 +17,9 @@ Description: R bindings for functions from the UCR Suite by Rakthanmanon et al.
 License: Apache License
 LazyData: TRUE
 LinkingTo: Rcpp
-Depends: R (>= 2.10)
+Depends: R (>= 3.6)
 Imports:
     Rcpp
-SystemRequirements: C++11
 RoxygenNote: 7.2.3
 Suggests: testthat,
     knitr,
diff --git a/NEWS.md b/NEWS.md
index 7aa305c..eeed146 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+# rucrdtw 0.1.5
+
+* updated documentation to address breaking change in roxygen2
+* require R >= 3.6 to ensure C++11 standard
+
 # rucrdtw 0.1.4
 
 * updated code in anticipation of stringsAsFactors = FALSE in forthcoming R versions
diff --git a/cran-comments.md b/cran-comments.md
index 1eba2f6..e3494e4 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,8 +1,8 @@
 
 ## Test environments
-* win-builder (devel and release)
-* OS X 10.13.6 (on travis-ci) R 3.6.2 and R-devel (2020-03-01 r77881)
-* Ubuntu 16.04.6 LTS (on travis-ci) R 3.6.2 and R-devel (2020-03-02 r77885)
+* Windows Server 2022 x64 (build 20348; on github-actions) R version 4.3.1 (2023-06-16 ucrt)
+* macOS Monterey 12.6.7 (on github-actions) R version 4.3.1 (2023-06-16)
+* Ubuntu 22.04.3 LTS (on github-actions) R version 4.2.3 (2023-03-15), R version 4.3.1 (2023-06-16), and R-devel (2023-08-20 r84995)
 
 ## R CMD check results
 There were no ERRORs, WARNINGs, or NOTEs.
diff --git a/src/Makevars b/src/Makevars
deleted file mode 100644
index c21208e..0000000
--- a/src/Makevars
+++ /dev/null
@@ -1 +0,0 @@
-PKG_CXX_STD=CXX11
diff --git a/src/Makevars.win b/src/Makevars.win
deleted file mode 100644
index c21208e..0000000
--- a/src/Makevars.win
+++ /dev/null
@@ -1 +0,0 @@
-PKG_CXX_STD=CXX11