diff --git a/DESCRIPTION b/DESCRIPTION
index 6bcde75f4..8f534c632 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: mlr3extralearners
 Title: Extra Learners For mlr3
-Version: 0.4.3
+Version: 0.4.4
 Authors@R:
     c(person(given = "Raphael",
              family = "Sonabend",
diff --git a/R/sysdata.rda b/R/sysdata.rda
index c95223e0f..c7784cf61 100644
Binary files a/R/sysdata.rda and b/R/sysdata.rda differ
diff --git a/tests/testthat/test_survival_surv_parametric.R b/tests/testthat/test_survival_surv_parametric.R
index 2ce1c10ab..8a36a152b 100644
--- a/tests/testthat/test_survival_surv_parametric.R
+++ b/tests/testthat/test_survival_surv_parametric.R
@@ -25,8 +25,7 @@ test_that("autotest po", {
   expect_true(result, info = result$error)
 })
 
-data(lung, package = "survival")
-lung2 = lung
+lung2 = survival::lung
 lung2$status = lung2$status - 1
 lung2 = lung2[-14, c("time", "status", "ph.ecog")]
 task = TaskSurv$new("param",