diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 68c3e7b359b..09c64ee665f 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -17525,7 +17525,7 @@ these files at JHPCE.")
            r-rtracklayer
            r-s4vectors))
     (native-inputs
-     (list r-knitr))
+     (list r-knitr r-testthat))
     (home-page "https://bioconductor.org/packages/ATACseqQC/")
     (synopsis "ATAC-seq quality control")
     (description