diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index fe714d4a19..b05c34d4ea 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -520,14 +520,14 @@ objects.")
 (define-public r-sys
   (package
     (name "r-sys")
-    (version "3.3")
+    (version "3.4")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "sys" version))
        (sha256
         (base32
-         "14wvy46i2iz9jn7lj3cvifmps932s3395wq681hniva0f8m7q8d6"))))
+         "11q4zmx62w44p1j34frwmrsp23mc7l4n354i0zyziw92yax8zy0p"))))
     (build-system r-build-system)
     (home-page "https://github.com/jeroen/sys")
     (synopsis "Powerful and reliable tools for running system commands in R")