diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 35a8c06991..db8ef5cfba 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -11354,14 +11354,14 @@ (define-public r-geneplotter
 (define-public r-oligoclasses
   (package
     (name "r-oligoclasses")
-    (version "1.62.0")
+    (version "1.64.0")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "oligoClasses" version))
        (sha256
         (base32
-         "0i745q2kx7rdfbkz3cwzzp1m4diny25mc301vy0sh4z5lpi5mdm8"))))
+         "1gdvjvyjfpvvrqyj9rq1l4dnq00hr8vr8knnlb9gnjk21sbcf1d7"))))
     (properties `((upstream-name . "oligoClasses")))
     (build-system r-build-system)
     (propagated-inputs