diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 6249b010c0..462bc1a23b 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -8289,14 +8289,14 @@ (define-public r-qdnaseq
 (define-public r-bayseq
   (package
     (name "r-bayseq")
-    (version "2.30.0")
+    (version "2.31.0")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "baySeq" version))
        (sha256
         (base32
-         "1yqykndyv32s2rk7x86qf410qr0pigc8z4gdkl8vhj4dgyr47n2j"))))
+         "0lq2wfm3ibrpha9mqhhp6dgsx4jm2kwxvvrj0b62dzqspvg743wh"))))
     (properties `((upstream-name . "baySeq")))
     (build-system r-build-system)
     (propagated-inputs