diff --git a/DESCRIPTION b/DESCRIPTION
index afbd02e..908852d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -47,7 +47,7 @@ Suggests:
     markdown,
     RColorBrewer,
     rsconnect,
-    testthat,
+    testthat (>= 3.0.0),
     ssddata
 VignetteBuilder: 
     knitr
@@ -56,3 +56,4 @@ Language: en-US
 LazyData: true
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.3.1
+Config/testthat/edition: 3
diff --git a/tests/testthat.R b/tests/testthat.R
index 26455d5..12619a0 100644
--- a/tests/testthat.R
+++ b/tests/testthat.R
@@ -1,3 +1,11 @@
+# This file is part of the standard setup for testthat.
+# It is recommended that you do not modify it.
+#
+# Where should you do additional test configuration?
+# Learn more about the roles of various files in:
+# * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
+# * https://testthat.r-lib.org/articles/special-files.html
+
 library(testthat)
 library(shinyssdtools)
 
diff --git a/tests/testthat/test-blank.R b/tests/testthat/test-blank.R
new file mode 100644
index 0000000..8849056
--- /dev/null
+++ b/tests/testthat/test-blank.R
@@ -0,0 +1,3 @@
+test_that("multiplication works", {
+  expect_equal(2 * 2, 4)
+})