diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index bb7488b58b..197d9287eb 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -4090,14 +4090,14 @@ (define-public r-affy
 (define-public r-affycomp
   (package
     (name "r-affycomp")
-    (version "1.72.0")
+    (version "1.74.0")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "affycomp" version))
        (sha256
         (base32
-         "0aq5p56sqpvba0yhgd75302s9bazchh1izgymng6cpb78y5wfpj0"))))
+         "18bxnjcl7cbgwm3yf58608ghwnpci94xgil11zmbpgzgrpv9pkrs"))))
     (properties `((upstream-name . "affycomp")))
     (build-system r-build-system)
     (propagated-inputs (list r-biobase))