diff --git a/gnu/packages/version-control.scm b/gnu/packages/version-control.scm
index 59ca1664165189b0861a7dbe212cf0cd6b1fdadc..9fc310d55d35ff8719f09ebabb47411c67e87c44 100644
--- a/gnu/packages/version-control.scm
+++ b/gnu/packages/version-control.scm
@@ -538,14 +538,14 @@ (define-public subversion
 (define-public rcs
   (package
     (name "rcs")
-    (version "5.9.3")
+    (version "5.9.4")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/rcs/rcs-"
                                  version ".tar.xz"))
              (sha256
               (base32
-               "0isvzwfvqkg7zcsznra6wqh650z49ib113n7gp6ncxv5p30x3c38"))))
+               "1zsx7bb0rgvvvisiy4zlixf56ay8wbd9qqqcp1a1g0m1gl6mlg86"))))
     (build-system gnu-build-system)
     (native-inputs `(("ed" ,ed)))
     (home-page "http://www.gnu.org/software/rcs/")