diff --git a/pkgs/by-name/pa/pari-galdata/package.nix b/pkgs/by-name/pa/pari-galdata/package.nix
index 6a9cb735e828..62839f3acf6c 100644
--- a/pkgs/by-name/pa/pari-galdata/package.nix
+++ b/pkgs/by-name/pa/pari-galdata/package.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   pname = "pari-galdata";
 
   src = fetchurl {
-    url = "http://pari.math.u-bordeaux.fr/pub/pari/packages/galdata.tgz";
+    url = "https://pari.math.u-bordeaux.fr/pub/pari/packages/galdata.tgz";
     sha256 = "1pch6bk76f1i6cwwgm7hhxi5h71m52lqayp4mnyj0jmjk406bhdp";
   };