diff --git a/gnu/packages/guile-xyz.scm b/gnu/packages/guile-xyz.scm
index 41f93df155..fd2a26d3a5 100644
--- a/gnu/packages/guile-xyz.scm
+++ b/gnu/packages/guile-xyz.scm
@@ -2655,47 +2655,56 @@ (define-public guile2.0-commonmark
     (inputs (list guile-2.0))))
 
 (define-public mcron
-  (package
-    (name "mcron")
-    (version "1.2.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "mirror://gnu/mcron/mcron-"
-                                  version ".tar.gz"))
-              (sha256
-               (base32
-                "0bkn235g2ia4f7ispr9d55c7bc18282r3qd8ldhh5q2kiin75zi0"))))
-    (build-system gnu-build-system)
-    (arguments
-     (list
-      #:phases #~(modify-phases %standard-phases
-                   (add-before 'check 'adjust-tests
-                     (lambda _
-                       (substitute* "tests/job-specifier.scm"
-                         ;; (getpw) fails with "entry not found" in the build
-                         ;; environment, so pass an argument.
-                         (("\\(getpw\\)")
-                          "(getpwnam (getuid))")
-                         ;; The build environment lacks an entry for root in
-                         ;; /etc/passwd.
-                         (("\\(getpw 0\\)")
-                          "(getpwnam \"nobody\")")
-                         ;; FIXME: Skip the 4 faulty tests (see above).
-                         (("\\(test-equal \"next-year\"" all)
-                          (string-append "(test-skip 4)\n" all))))))))
-    (native-inputs (list guile-3.0      ;for 'guild compile'
-                         pkg-config
-                         tzdata-for-tests))
-
-    (inputs (list guile-3.0))
-    (home-page "https://www.gnu.org/software/mcron/")
-    (synopsis "Run jobs at scheduled times")
-    (description
-     "GNU Mcron is a complete replacement for Vixie cron.  It is used to run
+  ;; Use the latest commits, as interesting changes haven't been released yet,
+  ;; such as improved logging.
+  (let ((revision "0")
+        (commit "5fd0ccde5a4cff70299999f988e6b5166584814d"))
+    (package
+      (name "mcron")
+      (version (git-version "1.2.1" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://git.savannah.gnu.org/git/mcron.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0jl2w67a5hkphzssdzq3q4jcwv2b174b11d3w5i3khxq2vhzd6kk"))))
+      (build-system gnu-build-system)
+      (arguments
+       (list
+        #:phases #~(modify-phases %standard-phases
+                     (add-before 'check 'adjust-tests
+                       (lambda _
+                         (substitute* "tests/job-specifier.scm"
+                           ;; (getpw) fails with "entry not found" in the build
+                           ;; environment, so pass an argument.
+                           (("\\(getpw\\)")
+                            "(getpwnam (getuid))")
+                           ;; The build environment lacks an entry for root in
+                           ;; /etc/passwd.
+                           (("\\(getpw 0\\)")
+                            "(getpwnam \"nobody\")")
+                           ;; FIXME: Skip the 4 faulty tests (see above).
+                           (("\\(test-equal \"next-year\"" all)
+                            (string-append "(test-skip 4)\n" all))))))))
+      (native-inputs (list autoconf
+                           automake
+                           guile-3.0    ;for 'guild compile'
+                           help2man
+                           pkg-config
+                           tzdata-for-tests
+                           texinfo))
+      (inputs (list guile-3.0))
+      (home-page "https://www.gnu.org/software/mcron/")
+      (synopsis "Run jobs at scheduled times")
+      (description
+       "GNU Mcron is a complete replacement for Vixie cron.  It is used to run
 tasks on a schedule, such as every hour or every Monday.  Mcron is written in
 Guile, so its configuration can be written in Scheme; the original cron
 format is also supported.")
-    (license license:gpl3+)))
+      (license license:gpl3+))))
 
 (define-public guile-picture-language
   (let ((commit "a1322bf11945465241ca5b742a70893f24156d12")
