diff --git a/NAMESPACE b/NAMESPACE
index 92267ff9..57b020a5 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -104,5 +104,6 @@ importFrom(tools,file_ext)
 importFrom(utils,available.packages)
 importFrom(utils,compareVersion)
 importFrom(utils,contrib.url)
+importFrom(utils,download.file)
 importFrom(utils,install.packages)
 importFrom(utils,read.delim)
diff --git a/R/bioc-standalone.R b/R/bioc-standalone.R
index f09e99f5..df14ef82 100644
--- a/R/bioc-standalone.R
+++ b/R/bioc-standalone.R
@@ -74,6 +74,7 @@
 #' @noRd
 NULL
 
+#' @importFrom utils download.file
 
 bioconductor <- local({