diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index 11e922bb07..61e1d901ee 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -6147,13 +6147,13 @@ (define-public r-zlibbioc
 (define-public r-zellkonverter
   (package
     (name "r-zellkonverter")
-    (version "1.6.2")
+    (version "1.6.3")
     (source
      (origin
        (method url-fetch)
        (uri (bioconductor-uri "zellkonverter" version))
        (sha256
-        (base32 "0s1n3impm4k55pac8mr18czylsc30yqcvdfdki4sawk74b2rkx8c"))))
+        (base32 "0l6v7a2zyxpq2w3vm85z439ldi3ld3pkc3wx95a1vxzbr31cpdzz"))))
     (properties `((upstream-name . "zellkonverter")))
     (build-system r-build-system)
     (propagated-inputs