diff --git a/DESCRIPTION b/DESCRIPTION
index 05bee1a..51f5401 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: atime
 Type: Package
 Title: Asymptotic Timing
-Version: 2024.3.5
+Version: 2024.4.12
 Authors@R: c(
     person("Toby", "Hocking",
      email="toby.hocking@r-project.org",
diff --git a/NEWS b/NEWS
index 26036d0..873b757 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+Changes in version 2024.4.12
+
+- atime_pkg gains tests.dir arg.
+
 Changes in version 2024.3.5
 
 - if(requireNamespace("nc")) in tests, thanks CRAN.
diff --git a/R/versions.R b/R/versions.R
index e7111e2..994a8ae 100644
--- a/R/versions.R
+++ b/R/versions.R
@@ -169,7 +169,7 @@ atime_versions_exprs <- function(pkg.path, expr, sha.vec=NULL, verbose=FALSE, pk
   a.args
 }
 
-atime_pkg <- function(pkg.path="."){
+atime_pkg <- function(pkg.path=".", tests.dir="inst"){
   ## For an example package see
   ## https://github.com/tdhock/binsegRcpp/blob/another-branch/inst/atime/tests.R
   each.sign.rank <- unit <- . <- N <- expr.name <- reference <- fun.name <- 
@@ -211,7 +211,7 @@ atime_pkg <- function(pkg.path="."){
     mb.commit <- git2r::merge_base(HEAD.commit, base.commit)
     add_if_new("merge-base", mb.commit)
   }
-  tests.R <- file.path(pkg.path, "inst", "atime", "tests.R")
+  tests.R <- file.path(pkg.path, tests.dir, "atime", "tests.R")
   test.env <- new.env()
   tests.parsed <- parse(tests.R)
   eval(tests.parsed, test.env)
diff --git a/man/atime_pkg.Rd b/man/atime_pkg.Rd
index 76fde74..6de5590 100644
--- a/man/atime_pkg.Rd
+++ b/man/atime_pkg.Rd
@@ -4,12 +4,14 @@
 \description{Computation time and memory for several R expressions of
   several different data sizes, for several package
   versions (base, HEAD, CRAN, merge-base, others specified by user).}
-\usage{atime_pkg(pkg.path)}
+\usage{atime_pkg(pkg.path=".", tests.dir="inst")}
 \arguments{
   \item{pkg.path}{path to git repository containing R package.}
+  \item{tests.dir}{path to directory which contains atime/tests.R,
+    relative to \code{pkg.path} (default \code{"inst"}).}
 }
 \details{
-  There should be a file named pkg.path/inst/atime/tests.R which
+  There should be a \code{tests.R} code file which
   defines \code{test.list}, a list with names corresponding to different
   tests.
   Each element should be a list with at least three named elements: \code{N},
@@ -22,12 +24,12 @@
   CRAN is current published version (sha value \code{""}),
   merge-base is most recent common ancestor commit between base and
   HEAD.
-  The tests.R file can define \code{version.colors} which should be
+  The \code{tests.R} code file can define \code{version.colors} which should be
   a character vector (names for versions, values for colors).
 }
 \value{Named list, names come from names of \code{test.list}, and values
   come from results of \code{atime_versions}. Side effect is that
-  data/plot files are saved to the inst/atime directory.}
+  data/plot files are saved in \code{atime} directory.}
 
 \author{Toby Dylan Hocking}