diff --git a/m4/.signature b/m4/.signature
index 8eed13ba..ea9fc783 100644
--- a/m4/.signature
+++ b/m4/.signature
@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/core.pub
-RWRJc1FUaeVeqrvhuE8MjOSIIKIZyu+Q52/BJZucs6EmzBEfknaH/ll7h3/C2LbphXBCIoreW7Yz+IgH5axnC+ebpumy4wspWQ0=
-SHA256 (Pkgfile) = fc00ca3482fa3ac7a4bca2cd6fec0c768e38e717dc100efb5ca17594331707a0
+RWRJc1FUaeVeqh20cSiSq534E/xrbcwwOSJcpY7nSVEH0DvHa5MAPTno4VWq+9gBohMVo+r43UfycNgBp2ene1njfW/elt4z3g0=
+SHA256 (Pkgfile) = 7ef4369adeb6178d309f817e958868bd9d3c9291300bbad48fb295df2a8a81fa
 SHA256 (.footprint) = c9b8bf05f94fe641ef19aa265722145f84718ebce8b9ce54a51f6a878f8a5b2c
 SHA256 (m4-1.4.19.tar.xz) = 63aede5c6d33b6d9b13511cd0be2cac046f2e70fd0a07aa9573a04a82783af96
diff --git a/m4/Pkgfile b/m4/Pkgfile
index 66ea8e45..419875bb 100644
--- a/m4/Pkgfile
+++ b/m4/Pkgfile
@@ -1,11 +1,11 @@
 # Description: A standard Unix macro processor with extensions
-# URL: http://www.seindal.dk/rene/gnu/
+# URL: https://rene.seindal.dk/
 # Maintainer: CRUX System Team, core-ports at crux dot nu
 
 name=m4
 version=1.4.19
 release=1
-source=(http://ftpmirror.gnu.org/gnu/$name/$name-$version.tar.xz)
+source=(https://ftpmirror.gnu.org/gnu/$name/$name-$version.tar.xz)
 
 build() {
 	cd $name-$version