diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 9bb155b4ca..97ee652499 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -2783,14 +2783,14 @@ (define-public r-shadowtext
 (define-public r-sys
   (package
     (name "r-sys")
-    (version "3.4.1")
+    (version "3.4.2")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "sys" version))
        (sha256
         (base32
-         "0lng3ri17jxq06c6hhhmvsb65lazkiqpp1h4pii4w9jqvs7nskij"))))
+         "1cz57jkc159zfgffvcdb40wv9avb5id7pdvgx8q1hs7vy1kcxgdp"))))
     (build-system r-build-system)
     (home-page "https://github.com/jeroen/sys")
     (synopsis "Powerful and reliable tools for running system commands in R")