diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 070ec8aff2..efac6110cc 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -2766,14 +2766,14 @@ iVAT).")
 (define-public r-xfun
   (package
     (name "r-xfun")
-    (version "0.3")
+    (version "0.4")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "xfun" version))
        (sha256
         (base32
-         "1r11dd49ngmjgbjdv28a9c1jp8cg1l50x0acbsamzz576p8i2wl9"))))
+         "0991ywgc2dsraba91kkj37akhfzhzn02cnz7c88hhdis9kag3pwv"))))
     (build-system r-build-system)
     (home-page "https://github.com/yihui/xfun")
     (synopsis "Miscellaneous functions")