diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 43ace98620..76b28af5c1 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -16517,14 +16517,14 @@ (define-public r-a4core
 (define-public r-a4classif
   (package
     (name "r-a4classif")
-    (version "1.50.0")
+    (version "1.52.0")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "a4Classif" version))
        (sha256
         (base32
-         "1wxkyqyhb3mj04kmaisd09dapywjpc081ihaig5rs04k611ddvhi"))))
+         "15jcd66brvbjz0p3z2b43ac5k81s3vmcbkwmga0f7f5v53fp8qvw"))))
     (properties `((upstream-name . "a4Classif")))
     (build-system r-build-system)
     (propagated-inputs