diff --git a/NAMESPACE b/NAMESPACE
index 94ebb948..934dfbae 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -8,6 +8,7 @@ export(attachment_list)
 export(audit_get)
 export(dataset_detail)
 export(dataset_list)
+export(dataset_update)
 export(drop_null_coords)
 export(encryption_key_list)
 export(enexpr)
diff --git a/R/dataset_detail.R b/R/dataset_detail.R
index ad242cc8..421f64b4 100644
--- a/R/dataset_detail.R
+++ b/R/dataset_detail.R
@@ -1,8 +1,4 @@
-#' List all datasets of one project.
-#'
-#' While the API endpoint will return all datasets for one project,
-#' \code{\link{dataset_list}} will fail with incorrect or missing
-#' authentication.
+#' Show dataset details.
 #'
 #' A Dataset is a named collection of Entities that have the same properties.
 #' A Dataset can be linked to Forms as Attachments. This will make it available
diff --git a/R/dataset_update.R b/R/dataset_update.R
new file mode 100644
index 00000000..87cab7ef
--- /dev/null
+++ b/R/dataset_update.R
@@ -0,0 +1,108 @@
+#' Update dataset details.
+#'
+#' You can only update `approvalRequired` using this endpoint.
+#' The  approvalRequired   flag controls the Entity creation flow;
+#' if it is true then the Submission must be approved before an Entity can be
+#' created from it and if it is false then an Entity is created as soon as the
+#' Submission is received by the ODK Central.
+#' By default `approvalRequired` is false for the Datasets created after
+#' v2023.3. Datasets created prior to that will have approvalRequired set to
+#' true.
+#'
+#' A Dataset is a named collection of Entities that have the same properties.
+#' A Dataset can be linked to Forms as Attachments. This will make it available
+#' to clients as an automatically-updating CSV.
+#'
+#' This function is supported from ODK Central v2022.3 and will warn if the
+#' given odkc_version is lower.
+#'
+#' `r lifecycle::badge("maturing")`
+#'
+#' @template param-pid
+#' @param did (chr) The dataset name.
+#' @param approval_required (lgl) The value to set approvalRequired to.
+#'   If TRUE, a submission must be approved before an entity is created,
+#'   if FALSE, an entity is created as soon as the submission is received by
+#'   ODK Central.
+#'   Default: FALSE.
+#' @template param-url
+#' @template param-auth
+#' @template param-retries
+#' @template param-odkcv
+#' @template param-orders
+#' @template param-tz
+#' @return A list of lists following the exact format and naming of the API
+#'   response for `dataset_detail`.
+#'   Since this nested list is so deeply nested and irregularly shaped
+#'   it is not trivial to rectangle the result into a tibble.
+# nolint start
+#' @seealso \url{ https://docs.getodk.org/central-api-dataset-management/#datasets}
+# nolint end
+#' @family dataset-management
+#' @export
+#' @examples
+#' \dontrun{
+#' # See vignette("setup") for setup and authentication options
+#' # ruODK::ru_setup(svc = "....svc", un = "me@email.com", pw = "...")
+#'
+#' pid = get_default_pid()
+#'
+#' ds <- dataset_list(pid = pid)
+#'
+#' did =  ds$name[1]
+#'
+#' ds1 <- dataset_detail(pid = pid, did = did)
+#' ds1$approvalRequired  # FALSE
+#'
+#' ds2 <- dataset_update(pid = pid, did = did, approval_required=TRUE)
+#' ds2$approvalRequired # TRUE
+#'
+#' ds3 <- dataset_update(pid = pid, did = did, approval_required=FALSE)
+#' ds3$approvalRequired # FALSE
+#' }
+dataset_update <- function(pid = get_default_pid(),
+                           did = NULL,
+                           approval_required = FALSE,
+                           url = get_default_url(),
+                           un = get_default_un(),
+                           pw = get_default_pw(),
+                           retries = get_retries(),
+                           odkc_version = get_default_odkc_version(),
+                           orders = c(
+                             "YmdHMS",
+                             "YmdHMSz",
+                             "Ymd HMS",
+                             "Ymd HMSz",
+                             "Ymd",
+                             "ymd"
+                           ),
+                           tz = get_default_tz()) {
+  yell_if_missing(url, un, pw, pid = pid)
+
+  if (is.null(did))
+    ru_msg_abort("dataset_update requires the dataset names as 'did=\"name\"'.")
+
+  if (odkc_version |> semver_lt("2022.3")) {
+    ru_msg_warn("dataset_update is supported from v2022.3")
+  }
+
+  ds <- httr::RETRY(
+    "PATCH",
+    httr::modify_url(url,
+                     path = glue::glue(
+                       "v1/projects/{pid}/datasets/",
+                       "{URLencode(did, reserved = TRUE)}"
+                     )),
+    httr::add_headers(
+      "Accept" = "application/json"
+    ),
+    encode = "json",
+    body = list(approvalRequired = approval_required),
+    httr::authenticate(un, pw),
+    times = retries
+  ) |>
+    yell_if_error(url, un, pw) |>
+    httr::content(encoding="utf-8")
+}
+
+# usethis::use_test("dataset_update") # nolint
diff --git a/man/dataset_detail.Rd b/man/dataset_detail.Rd
index 26c202ad..bc0256fd 100644
--- a/man/dataset_detail.Rd
+++ b/man/dataset_detail.Rd
@@ -2,7 +2,7 @@
 % Please edit documentation in R/dataset_detail.R
 \name{dataset_detail}
 \alias{dataset_detail}
-\title{List all datasets of one project.}
+\title{Show dataset details.}
 \usage{
 dataset_detail(
   pid = get_default_pid(),
@@ -80,15 +80,11 @@ response. Since this nested list is so deeply nested and irregularly shaped
 it is not trivial to rectangle the result into a tibble.
 }
 \description{
-While the API endpoint will return all datasets for one project,
-\code{\link{dataset_list}} will fail with incorrect or missing
-authentication.
-}
-\details{
 A Dataset is a named collection of Entities that have the same properties.
 A Dataset can be linked to Forms as Attachments. This will make it available
 to clients as an automatically-updating CSV.
-
+}
+\details{
 This function is supported from ODK Central v2022.3 and will warn if the
 given odkc_version is lower.
 
@@ -112,6 +108,7 @@ ds1$properties |> purrr::list_transpose() |> tibble::as_tibble()
 \url{ https://docs.getodk.org/central-api-dataset-management/#datasets}
 
 Other dataset-management: 
-\code{\link{dataset_list}()}
+\code{\link{dataset_list}()},
+\code{\link{dataset_update}()}
 }
 \concept{dataset-management}
diff --git a/man/dataset_list.Rd b/man/dataset_list.Rd
index b88ad8e0..b093dd5c 100644
--- a/man/dataset_list.Rd
+++ b/man/dataset_list.Rd
@@ -105,6 +105,7 @@ ds |> knitr::kable()
 \url{ https://docs.getodk.org/central-api-dataset-management/#datasets}
 
 Other dataset-management: 
-\code{\link{dataset_detail}()}
+\code{\link{dataset_detail}()},
+\code{\link{dataset_update}()}
 }
 \concept{dataset-management}
diff --git a/man/dataset_update.Rd b/man/dataset_update.Rd
new file mode 100644
index 00000000..fc69e887
--- /dev/null
+++ b/man/dataset_update.Rd
@@ -0,0 +1,138 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/dataset_update.R
+\name{dataset_update}
+\alias{dataset_update}
+\title{Update dataset details.}
+\usage{
+dataset_update(
+  pid = get_default_pid(),
+  did = NULL,
+  approval_required = FALSE,
+  url = get_default_url(),
+  un = get_default_un(),
+  pw = get_default_pw(),
+  retries = get_retries(),
+  odkc_version = get_default_odkc_version(),
+  orders = c("YmdHMS", "YmdHMSz", "Ymd HMS", "Ymd HMSz", "Ymd", "ymd"),
+  tz = get_default_tz()
+)
+}
+\arguments{
+\item{pid}{The numeric ID of the project, e.g.: 2.
+
+Default: \code{\link{get_default_pid}}.
+
+Set default \code{pid} through \code{ru_setup(pid="...")}.
+
+See \code{vignette("Setup", package = "ruODK")}.}
+
+\item{did}{(chr) The dataset name.}
+
+\item{approval_required}{(lgl) The value to set approvalRequired to.
+If TRUE, a submission must be approved before an entity is created,
+if FALSE, an entity is created as soon as the submission is received by
+ODK Central.
+Default: FALSE.}
+
+\item{url}{The ODK Central base URL without trailing slash.
+
+Default: \code{\link{get_default_url}}.
+
+Set default \code{url} through \code{ru_setup(url="...")}.
+
+See \code{vignette("Setup", package = "ruODK")}.}
+
+\item{un}{The ODK Central username (an email address).
+Default: \code{\link{get_default_un}}.
+Set default \code{un} through \code{ru_setup(un="...")}.
+See \code{vignette("Setup", package = "ruODK")}.}
+
+\item{pw}{The ODK Central password.
+Default: \code{\link{get_default_pw}}.
+Set default \code{pw} through \code{ru_setup(pw="...")}.
+See \code{vignette("Setup", package = "ruODK")}.}
+
+\item{retries}{The number of attempts to retrieve a web resource.
+
+This parameter is given to \code{\link[httr]{RETRY}(times = retries)}.
+
+Default: 3.}
+
+\item{odkc_version}{The ODK Central version as a semantic version string
+(year.minor.patch), e.g. "2023.5.1". The version is shown on ODK Central's
+version page \verb{/version.txt}. Discard the "v".
+\code{ruODK} uses this parameter to adjust for breaking changes in ODK Central.
+
+Default: \code{\link{get_default_odkc_version}} or "2023.5.1" if unset.
+
+Set default \code{get_default_odkc_version} through
+\code{ru_setup(odkc_version="2023.5.1")}.
+
+See \code{vignette("Setup", package = "ruODK")}.}
+
+\item{orders}{(vector of character) Orders of datetime elements for
+lubridate.
+
+Default:
+\code{c("YmdHMS", "YmdHMSz", "Ymd HMS", "Ymd HMSz", "Ymd", "ymd")}.}
+
+\item{tz}{A timezone to convert dates and times to.
+
+Read \code{vignette("setup", package = "ruODK")} to learn how \code{ruODK}'s
+timezone can be set globally or per function.}
+}
+\value{
+A list of lists following the exact format and naming of the API
+response for \code{dataset_detail}.
+Since this nested list is so deeply nested and irregularly shaped
+it is not trivial to rectangle the result into a tibble.
+}
+\description{
+You can only update \code{approvalRequired} using this endpoint.
+The  approvalRequired   flag controls the Entity creation flow;
+if it is true then the Submission must be approved before an Entity can be
+created from it and if it is false then an Entity is created as soon as the
+Submission is received by the ODK Central.
+By default \code{approvalRequired} is false for the Datasets created after
+v2023.3. Datasets created prior to that will have approvalRequired set to
+true.
+}
+\details{
+A Dataset is a named collection of Entities that have the same properties.
+A Dataset can be linked to Forms as Attachments. This will make it available
+to clients as an automatically-updating CSV.
+
+This function is supported from ODK Central v2022.3 and will warn if the
+given odkc_version is lower.
+
+\ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#maturing}{\figure{lifecycle-maturing.svg}{options: alt='[Maturing]'}}}{\strong{[Maturing]}}
+}
+\examples{
+\dontrun{
+# See vignette("setup") for setup and authentication options
+# ruODK::ru_setup(svc = "....svc", un = "me@email.com", pw = "...")
+
+pid = get_default_pid()
+
+ds <- dataset_list(pid = pid)
+
+did =  ds$name[1]
+
+ds1 <- dataset_detail(pid = pid, did = did)
+ds1$approvalRequired  # FALSE
+
+ds2 <- dataset_update(pid = pid, did = did, approval_required=TRUE)
+ds2$approvalRequired # TRUE
+
+ds3 <- dataset_update(pid = pid, did = did, approval_required=FALSE)
+ds3$approvalRequired # FALSE
+}
+}
+\seealso{
+\url{ https://docs.getodk.org/central-api-dataset-management/#datasets}
+
+Other dataset-management: 
+\code{\link{dataset_detail}()},
+\code{\link{dataset_list}()}
+}
+\concept{dataset-management}
diff --git a/tests/testthat/test-dataset_update.R b/tests/testthat/test-dataset_update.R
new file mode 100644
index 00000000..345460e2
--- /dev/null
+++ b/tests/testthat/test-dataset_update.R
@@ -0,0 +1,62 @@
+test_that("dataset_update works", {
+
+
+  ds <- dataset_list(pid = get_default_pid(),
+                     url = get_test_url(),
+                     un = get_test_un(),
+                     pw = get_test_pw(),
+                     odkc_version = get_test_odkc_version())
+
+  ds1 <- dataset_detail(pid = get_default_pid(),
+                        did = ds$name[1],
+                        url = get_test_url(),
+                        un = get_test_un(),
+                        pw = get_test_pw(),
+                        odkc_version = get_test_odkc_version())
+
+  pid <- get_default_pid()
+  did <- ds$name[1]
+
+  # Update dataset with opposite approvalRequired
+  ds2 <- dataset_update(pid = pid, did = did, approval_required=!ds1$approvalRequired)
+  testthat::expect_false(ds1$approvalRequired == ds2$approvalRequired)
+
+  # Update dataset with opposite approvalRequired again
+  ds3 <- dataset_update(pid = pid, did = did, approval_required=!ds2$approvalRequired)
+  testthat::expect_false(ds2$approvalRequired == ds3$approvalRequired)
+  testthat::expect_true(ds1$approvalRequired == ds3$approvalRequired)
+})
+
+
+test_that("dataset_update warns if odkc_version too low", {
+  skip_if(Sys.getenv("ODKC_TEST_URL") == "",
+          message = "Test server not configured"
+  )
+
+  ds <- dataset_list(pid = get_default_pid(),
+                     url = get_test_url(),
+                     un = get_test_un(),
+                     pw = get_test_pw(),
+                     odkc_version = "2022.3")
+
+  ds1 <- dataset_update(
+    pid = get_test_pid(),
+    did = ds$name[1],
+    url = get_test_url(),
+    un = get_test_un(),
+    pw = get_test_pw(),
+    odkc_version = "2022.3"
+  )
+
+  testthat::expect_warning(
+    ds1 <- dataset_update(
+      pid = get_test_pid(),
+      did = ds$name[1],
+      url = get_test_url(),
+      un = get_test_un(),
+      pw = get_test_pw(),
+      odkc_version = "1.5.3"
+    )
+  )
+
+})
\ No newline at end of file