diff --git a/DESCRIPTION b/DESCRIPTION
index 99769cd4..4dc8fdc0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -37,6 +37,7 @@ Encoding: UTF-8
 Language: en-GB
 LazyData: true
 RoxygenNote: 7.2.3
+NeedsCompilation: yes
 Depends: 
     R (>= 3.5.0)
 Imports:
diff --git a/NAMESPACE b/NAMESPACE
index 761263d1..757772f6 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -22,6 +22,7 @@ import(methods)
 importFrom(dplyr,"%>%")
 importFrom(graphics,text)
 importFrom(rstan,sampling)
+importFrom(rstantools,rstan_config)
 importFrom(stats,quantile)
 importFrom(utils,read.table)
 useDynLib(serofoi, .registration = TRUE)