diff --git a/math/m4ri/Portfile b/math/m4ri/Portfile
index 42e2dfd54e7..2fa3e89a016 100644
--- a/math/m4ri/Portfile
+++ b/math/m4ri/Portfile
@@ -1,10 +1,12 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem              1.0
-PortGroup               bitbucket 1.0
+PortGroup               github 1.0
 
-bitbucket.setup         malb m4ri 20200125 release-
+github.setup            malb m4ri 20250128
 revision                0
+github.tarball_from     releases
+
 
 categories              math
 license                 GPL-2+
@@ -14,9 +16,9 @@ maintainers             nomaintainer
 description             Successor to PolyBoRi
 long_description        {*}${description}
 
-checksums               rmd160  f4797438e255a9f3085ff4b726fa97fe5e21d1fb \
-                        sha256  5e4cb05bc6947ae157e9c59d4935c38f1a03aeb9aa94e254fc1d46429e64ce70 \
-                        size    178111
+checksums               rmd160  30e7ad6a81f3d5b171a236edb94357d1fac447b6 \
+                        sha256  b4098db651483c0e1506c16f79091eba02f41dadbacf1bb25be8eb97e5515f96 \
+                        size    530551
 
 use_autoreconf          yes
 autoreconf.args         -fvi
@@ -28,3 +30,5 @@ depends_lib             port:libpng
 
 configure.args          --enable-openmp \
                         --enable-thread-safe
+
+github.livecheck.regex  {([0-9.]+)}