diff --git a/NAMESPACE b/NAMESPACE
index 6ae9268..7b737a6 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1,2 +1,4 @@
 # Generated by roxygen2: do not edit by hand
 
+import(openxlsx)
+import(readODS)
diff --git a/R/ADSPlanner-package.R b/R/ADSPlanner-package.R
new file mode 100644
index 0000000..47e916b
--- /dev/null
+++ b/R/ADSPlanner-package.R
@@ -0,0 +1,6 @@
+# This file is used to define the imports that will be updated by roxygen2 when running `devtools::document()`.
+
+#' @import openxlsx
+#' @import readODS
+NULL
+#> NULL