diff --git a/DESCRIPTION b/DESCRIPTION
index 6e7d5692..151a08b6 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -60,6 +60,7 @@ Suggests:
   knitr (>= 1.30),
   markdown (>= 1.1),
   rmarkdown (>= 2.4),
+  secretbase (>= 1.0.0),
   testthat (>= 3.0.0)
 Encoding: UTF-8
 Language: en-US
diff --git a/tests/testthat/test-crew_controller_local.R b/tests/testthat/test-crew_controller_local.R
index d487e7ff..972c77b9 100644
--- a/tests/testthat/test-crew_controller_local.R
+++ b/tests/testthat/test-crew_controller_local.R
@@ -115,13 +115,13 @@ crew_test("crew_controller_local()", {
     expect_false(exists(x = ".crew_y", envir = globalenv()))
     # package task
     x$push(
-      command = base64enc(arg),
+      command = secretbase::base64enc(arg),
       data = list(arg = "x"),
       packages = "nanonext"
     )
     x$wait(seconds_timeout = 5)
     out <- x$pop()
-    expect_equal(out$result[[1]], nanonext::base64enc("x"))
+    expect_equal(out$result[[1]], secretbase::base64enc("x"))
   }
   # terminate
   handle <- x$launcher$workers$handle[[1]]