diff --git a/DESCRIPTION b/DESCRIPTION
index f4c0c6d..1ee8726 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -9,3 +9,4 @@ Description: More about what it does (maybe more than one line)
 License: What license is it under?
 Encoding: UTF-8
 LazyData: true
+Imports: ggplot2, dplyr
diff --git a/NAMESPACE b/NAMESPACE
index d75f824..e8c03ea 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1 +1,2 @@
 exportPattern("^[[:alpha:]]+")
+importFrom(ggplot2, dplyr)