diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 14998bdd34..c5ac2f5792 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -710,13 +710,13 @@ can read and write both the metadata and the cell data in a Sheet.")
 (define-public r-proj4
   (package
     (name "r-proj4")
-    (version "1.0-11")
+    (version "1.0-12")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "proj4" version))
               (sha256
                (base32
-                "07fil52jswbg2h807cd82m2wlm5j2fb891ifri9ms037099qdwf5"))))
+                "1y3n6zjc4s78pagq5f2x9sdfjg5x5nwnhq67jd06fndlsma8mssa"))))
     (properties `((upstream-name . "proj4")))
     (build-system r-build-system)
     (inputs (list proj-7 zlib))