diff --git a/DESCRIPTION b/DESCRIPTION
index 58d18e4..52ba3ac 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -23,14 +23,12 @@ Imports:
     checkmate,
     data.table,
     lgr,
-    mlr3 (>= 0.17.0),
+    mlr3 (>= 0.19.0),
     mlr3misc,
     uuid
 Suggests:
     rpart,
     testthat
-Remotes:
-    mlr-org/mlr3@bundle
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.3.1
diff --git a/man/reduceResultsBatchmark.Rd b/man/reduceResultsBatchmark.Rd
index d074ff7..7eb04e2 100644
--- a/man/reduceResultsBatchmark.Rd
+++ b/man/reduceResultsBatchmark.Rd
@@ -37,7 +37,10 @@ Function to apply to each result. The result is passed unnamed as first argument
 If the function has the formal argument \dQuote{job}, the \code{\link[batchtools]{Job}}/\code{\link[batchtools]{Experiment}} is also passed to the function.}
 
 \item{unmarshal}{\code{\link[mlr3]{Learner}}\cr
-Whether to unmarshal the learner.}
+Whether to unmarshal learners that were marshaled during the execution.
+Setting this to \code{FALSE} does not guarantee that the learners are marshaled.
+For example, with sequential execution and no encapsulation, marshaling is not necessary.
+If you want to ensure that all learners are in marshaled form, you need to call \verb{$marshal()} on the result object.}
 }
 \value{
 \link[mlr3:BenchmarkResult]{mlr3::BenchmarkResult}.