diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 7871cc2668a..3ef3fd69c77 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -4417,6 +4417,7 @@ path-wise fashion.")
            r-stringr
            r-withr
            r-xtable))
+    (native-inputs (list r-testthat))
     (home-page "https://renozao.github.io/pkgmaker")
     (synopsis "Package development utilities")
     (description