1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/mps/default.nix b/pkgs/development/libraries/mps/default.nix
index 4e4ddfb6389..5a841f165ca 100644
--- a/pkgs/development/libraries/mps/default.nix
+++ b/pkgs/development/libraries/mps/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.116.0";
 
   src = fetchurl {
-    url    = "http://www.ravenbrook.com/project/mps/release/${version}/mps-kit-${version}.tar.gz";
+    url    = "https://www.ravenbrook.com/project/mps/release/${version}/mps-kit-${version}.tar.gz";
     sha256 = "1k7vnanpgawnj84x2xs6md57pfib9p7c3acngqzkl3c2aqw8qay0";
   };
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A flexible memory management and garbage collection library";
-    homepage    = "http://www.ravenbrook.com/project/mps";
+    homepage    = "https://www.ravenbrook.com/project/mps";
     license     = stdenv.lib.licenses.sleepycat;
     platforms   = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.thoughtpolice ];