diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index f10580ea63..d3e16afc90 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -8866,14 +8866,14 @@ (define-public r-chemminer
 (define-public r-bioassayr
   (package
     (name "r-bioassayr")
-    (version "1.28.2")
+    (version "1.28.3")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "bioassayR" version))
        (sha256
         (base32
-         "0ylnnm31jkmi8zz78kngqv36yn6i5lvjp1i27v59svw13m4r03g5"))))
+         "03pdb76j7c28b1h1flb40ahq7i9iha22kblq6mkl3x4xmrdgaw5y"))))
     (properties `((upstream-name . "bioassayR")))
     (build-system r-build-system)
     (propagated-inputs