diff --git a/gnu/packages/gnucash.scm b/gnu/packages/gnucash.scm
index dcee4dc166..455c791816 100644
--- a/gnu/packages/gnucash.scm
+++ b/gnu/packages/gnucash.scm
@@ -7,6 +7,7 @@
 ;;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2019 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2020 Prafulla Giri <pratheblackdiamond@gmail.com>
+;;; Copyright © 2020 Christopher Lam <christopher.lck@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -51,6 +52,7 @@
   #:use-module (gnu packages perl)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
+  #:use-module (gnu packages swig)
   #:use-module (gnu packages tls)
   #:use-module (gnu packages web)
   #:use-module (gnu packages webkit)
@@ -61,28 +63,28 @@
   ;; directory.
   (package
     (name "gnucash")
-    (version "3.8")
+    (version "4.2")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "mirror://sourceforge/gnucash/gnucash%20%28stable%29/"
-                           version "/gnucash-" version "b" ".tar.bz2"))
+                           version "/gnucash-" version ".tar.bz2"))
        (sha256
         (base32
-         "0dvzm3bib7jcj685sklpzyy9mrak9mxyvih2k9fk4sl3v21wlphg"))))
+         "020k1mm909dcgs52ls4v7xx3yn8gqazi9awyr81l6y7pkq1spn2n"))))
     (build-system cmake-build-system)
     (inputs
-     `(("guile" ,guile-2.2)
+     `(("guile" ,guile-3.0)
        ("boost" ,boost)
        ("icu4c" ,icu4c)
        ("glib" ,glib)
        ("gtk" ,gtk+)
        ("libdbi" ,libdbi)
        ("libdbi-drivers" ,libdbi-drivers)
-       ("libgnomecanvas" ,libgnomecanvas)
        ("libofx" ,libofx)
        ("libxml2" ,libxml2)
        ("libxslt" ,libxslt)
+       ("swig" ,swig)
        ("webkitgtk" ,webkitgtk)
        ("aqbanking" ,aqbanking)
        ("python" ,python)
@@ -134,8 +136,8 @@
          ;; execute them with perl, so execute them directly instead.
          (add-after 'unpack 'fix-finance-quote-check
            (lambda _
-             (substitute* "libgnucash/scm/price-quotes.scm"
-               (("\"perl\" \"-w\" ") ""))
+             (substitute* "gnucash/price-quotes.scm"
+                (("\"perl\" \"-w\" ") ""))
              #t))
          ;; The qof test requires the en_US, en_GB, and fr_FR locales.
          (add-before 'check 'install-locales
@@ -230,7 +232,7 @@ installed as well as Yelp, the Gnome help browser.")
                              version "/gnucash-docs-" version revision ".tar.gz"))
          (sha256
           (base32
-           "19v6kchda724xkkgwlw5rg21jcpirhch12j9sr6ibnv61sd4ql52"))))
+           "1p1rbv0gyi07nh5pzhk3xm46w66kjyaipb6rpaq9yb9gil1nl7q5"))))
       (build-system gnu-build-system)
       ;; These are native-inputs because they are only required for building the
       ;; documentation.