diff --git a/DESCRIPTION b/DESCRIPTION
index 680b3cadd..c3346d5dc 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -22,7 +22,6 @@ Depends:
     R (>= 3.1)
 Imports:
     brio,
-    callr (>= 3.5.1),
     cli (>= 3.1.1),
     crayon (>= 1.3.4),
     desc,
@@ -35,19 +34,20 @@ Imports:
     methods,
     pkgload,
     praise,
-    processx,
-    ps (>= 1.3.4),
     R6 (>= 2.2.0),
-    rlang (>= 1.0.1),
+    rlang (>= 1.0.2),
     utils,
     waldo (>= 0.3.1),
     withr (>= 2.4.3)
 Suggests: 
+    callr (>= 3.5.1),
     covr,
     curl (>= 0.9.5),
     diffviewer (>= 0.1.0),
     knitr,
     mockery,
+    processx,
+    ps (>= 1.3.4),
     rmarkdown,
     rstudioapi,
     shiny,
diff --git a/R/parallel-taskq.R b/R/parallel-taskq.R
index 32be38be2..9631951cf 100644
--- a/R/parallel-taskq.R
+++ b/R/parallel-taskq.R
@@ -22,6 +22,7 @@ task_q <- R6::R6Class(
   "task_q",
   public = list(
     initialize = function(concurrency = 4L, ...) {
+      rlang::check_installed(c("callr", "processx", "ps"))
       private$start_workers(concurrency, ...)
       invisible(self)
     },
diff --git a/tests/testthat/test-parallel-crash.R b/tests/testthat/test-parallel-crash.R
index 0201f1cfd..bbc395077 100644
--- a/tests/testthat/test-parallel-crash.R
+++ b/tests/testthat/test-parallel-crash.R
@@ -1,9 +1,8 @@
 test_that("crash", {
-  # https://github.com/r-lib/rlang/commit/c84d52b6
-  skip_if_not_installed("rlang", "1.0.1.9000")
-
   skip_on_cran()
   skip_on_covr()
+  skip_if_not_installed("callr")
+
   withr::local_envvar(TESTTHAT_PARALLEL = "TRUE")
 
   do <- function() {