diff --git a/DESCRIPTION b/DESCRIPTION
index 5e98762..769c3ca 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: gobbler
-Version: 0.3.10
-Date: 2024-10-18
+Version: 0.3.11
+Date: 2025-01-28
 Title: Interface to the gobbler service
 Description:
     Friendly interface to the gobbler service.
diff --git a/NAMESPACE b/NAMESPACE
index 2c865b0..ced0a8d 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -17,6 +17,7 @@ export(listProjects)
 export(listVersions)
 export(refreshLatest)
 export(refreshUsage)
+export(reindexVersion)
 export(rejectProbation)
 export(removeAsset)
 export(removeProject)
diff --git a/R/reindexVersion.R b/R/reindexVersion.R
new file mode 100644
index 0000000..d9f8d09
--- /dev/null
+++ b/R/reindexVersion.R
@@ -0,0 +1,37 @@
+#' Reindex a versioned asset
+#'
+#' Reindex a version of an asset of a project from the registry.
+#' This regenerates all of the internal \code{..manifest} and \code{..links} files.
+#'
+#' @param project String containing the project to remove.
+#' @param asset String containing the asset to remove.
+#' @param version String containing the version of the asset to remove.
+#' @inheritParams createProject
+#'
+#' @return \code{NULL} is invisibly returned if the version was successfully reindexed.
+#'
+#' @author Aaron Lun
+#'
+#' @examples
+#' info <- startGobbler()
+#' removeProject("test", info$staging, url=info$url) # start with a clean slate.
+#' createProject("test", info$staging, url=info$url)
+#'
+#' # Mocking up a version if it doesn't already exist.
+#' src <- allocateUploadDirectory(info$staging)
+#' write(file=file.path(src, "foo"), "BAR")
+#' uploadDirectory("test", "simple", "v1", src, staging=info$staging, url=info$url)
+#' fetchManifest("test", "simple", "v1", registry=info$registry, url=info$url)
+#'
+#' # Let's add a new file directly to the directory.
+#' write(file=file.path(info$registry, "test", "simple", "v1", "whee"), "stuff")
+#'
+#' # And reindexing the version.
+#' reindexVersion("test", "simple", "v1", staging=info$staging, url=info$url)
+#' fetchManifest("test", "simple", "v1", registry=info$registry, url=info$url)
+#'
+#' @export
+reindexVersion <- function(project, asset, version, staging, url) {
+    dump_request(staging, url, "reindex_version", list(project=project, asset=asset, version=version))
+    invisible(NULL)
+}
diff --git a/R/startGobbler.R b/R/startGobbler.R
index 9751b62..aba9f25 100644
--- a/R/startGobbler.R
+++ b/R/startGobbler.R
@@ -36,7 +36,7 @@
 #' 
 #' @export
 #' @importFrom utils download.file
-startGobbler <- function(staging=tempfile(), registry=tempfile(), port = NULL, wait = 1, version = "0.3.7", overwrite = FALSE) {
+startGobbler <- function(staging=tempfile(), registry=tempfile(), port = NULL, wait = 1, version = "0.3.8", overwrite = FALSE) {
     if (!is.null(running$active)) {
         return(list(new=FALSE, staging=running$staging, registry=running$registry, port=running$port, url=assemble_url(running$port)))
     }
diff --git a/man/reindexVersion.Rd b/man/reindexVersion.Rd
new file mode 100644
index 0000000..5186945
--- /dev/null
+++ b/man/reindexVersion.Rd
@@ -0,0 +1,48 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/reindexVersion.R
+\name{reindexVersion}
+\alias{reindexVersion}
+\title{Reindex a versioned asset}
+\usage{
+reindexVersion(project, asset, version, staging, url)
+}
+\arguments{
+\item{project}{String containing the project to remove.}
+
+\item{asset}{String containing the asset to remove.}
+
+\item{version}{String containing the version of the asset to remove.}
+
+\item{staging}{String containing the path to the staging directory.}
+
+\item{url}{String containing the URL of the gobbler REST API.}
+}
+\value{
+\code{NULL} is invisibly returned if the version was successfully reindexed.
+}
+\description{
+Reindex a version of an asset of a project from the registry.
+This regenerates all of the internal \code{..manifest} and \code{..links} files.
+}
+\examples{
+info <- startGobbler()
+removeProject("test", info$staging, url=info$url) # start with a clean slate.
+createProject("test", info$staging, url=info$url)
+
+# Mocking up a version if it doesn't already exist.
+src <- allocateUploadDirectory(info$staging)
+write(file=file.path(src, "foo"), "BAR")
+uploadDirectory("test", "simple", "v1", src, staging=info$staging, url=info$url)
+fetchManifest("test", "simple", "v1", registry=info$registry, url=info$url)
+
+# Let's add a new file directly to the directory.
+write(file=file.path(info$registry, "test", "simple", "v1", "whee"), "stuff")
+
+# And reindexing the version.
+reindexVersion("test", "simple", "v1", staging=info$staging, url=info$url)
+fetchManifest("test", "simple", "v1", registry=info$registry, url=info$url)
+
+}
+\author{
+Aaron Lun
+}
diff --git a/man/startGobbler.Rd b/man/startGobbler.Rd
index 62f81b0..de7202f 100644
--- a/man/startGobbler.Rd
+++ b/man/startGobbler.Rd
@@ -10,7 +10,7 @@ startGobbler(
   registry = tempfile(),
   port = NULL,
   wait = 1,
-  version = "0.3.7",
+  version = "0.3.8",
   overwrite = FALSE
 )
 
diff --git a/tests/testthat/test-reindexVersion.R b/tests/testthat/test-reindexVersion.R
new file mode 100644
index 0000000..8f98a29
--- /dev/null
+++ b/tests/testthat/test-reindexVersion.R
@@ -0,0 +1,23 @@
+# library(testthat); library(gobbler); source("test-reindexVersion.R")
+
+info <- startGobbler()
+removeProject("test-R-reindex", staging=info$staging, url=info$url)
+createProject("test-R-reindex", staging=info$staging, url=info$url)
+
+test_that("reindexing functions work as expected", {
+    src <- allocateUploadDirectory(info$staging)
+    write(file=file.path(src, "foo"), "BAR")
+    uploadDirectory("test-R-reindex", "simple", "v1", src, staging=info$staging, url=info$url)
+
+    # Let's add a new file directly to the directory.
+    write(file=file.path(info$registry, "test-R-reindex", "simple", "v1", "whee"), "stuff")
+
+    # This does not show up in the manifest...
+    man <- fetchManifest("test-R-reindex", "simple", "v1", registry=info$registry, url=info$url)
+    expect_identical(names(man), "foo")
+
+    # Until we reindex the version.
+    reindexVersion("test-R-reindex", "simple", "v1", staging=info$staging, url=info$url)
+    man <- fetchManifest("test-R-reindex", "simple", "v1", registry=info$registry, url=info$url)
+    expect_identical(names(man), c("foo", "whee"))
+})