diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 82ed999f2d..a84270523e 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -4619,14 +4619,14 @@ (define-public r-oligoclasses
 (define-public r-oligo
   (package
     (name "r-oligo")
-    (version "1.54.1")
+    (version "1.56.0")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "oligo" version))
        (sha256
         (base32
-         "0cpfkvxpni7an361li0k0qlfcraj7z9zv71r25dbly5kp3dql7k3"))))
+         "0fyq77im6s79havjwbchhqhnllxs134jsi98g6msxz66h16lj3al"))))
     (properties `((upstream-name . "oligo")))
     (build-system r-build-system)
     (inputs `(("zlib" ,zlib)))