diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 797231caf9..da2c7a61b5 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -7124,13 +7124,13 @@ (define-public r-sp
 (define-public r-lambertw
   (package
     (name "r-lambertw")
-    (version "0.6.9")
+    (version "0.6.9-1")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "LambertW" version))
               (sha256
                (base32
-                "0260sa4w5i4vwxg13g3q0dmairsrbyaijr2gxlppy09nxriccwbr"))))
+                "19j6vjhywyzmrf7rsrx5kf0hg8cpk1gn8al24q813jzp0vsv9ljj"))))
     (properties `((upstream-name . "LambertW")))
     (build-system r-build-system)
     (propagated-inputs (list r-ggplot2