diff --git a/mpfr-4.1.0.tar.xz.asc b/mpfr-4.1.0.tar.xz.asc
new file mode 100644
index 0000000..3d09ebf
--- /dev/null
+++ b/mpfr-4.1.0.tar.xz.asc
@@ -0,0 +1,6 @@
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diff --git a/mpfr-4.1.0.tar.xz.sig b/mpfr-4.1.0.tar.xz.sig
deleted file mode 100644
index ee4d533..0000000
Binary files a/mpfr-4.1.0.tar.xz.sig and /dev/null differ
diff --git a/mpfr.spec b/mpfr.spec
index 8af89c9..a506b64 100644
--- a/mpfr.spec
+++ b/mpfr.spec
@@ -22,9 +22,9 @@ Release:        0
 Summary:        The GNU multiple-precision floating-point library
 License:        LGPL-3.0-or-later
 Group:          Development/Libraries/C and C++
-URL:            http://www.mpfr.org/
-Source0:        http://www.mpfr.org/mpfr-%{version}/mpfr-%{version}.tar.xz
-Source1:        http://www.mpfr.org/mpfr-%{version}/mpfr-%{version}.tar.xz.sig
+URL:            https://www.mpfr.org/
+Source0:        https://www.mpfr.org/mpfr-%{version}/mpfr-%{version}.tar.xz
+Source1:        https://www.mpfr.org/mpfr-%{version}/mpfr-%{version}.tar.xz.asc
 Source2:        %{name}.keyring
 Source3:        baselibs.conf
 BuildRequires:  gmp-devel