diff --git a/pkgs/by-name/op/openbox/package.nix b/pkgs/by-name/op/openbox/package.nix
index 933ce0f08451..53d55665ae0f 100644
--- a/pkgs/by-name/op/openbox/package.nix
+++ b/pkgs/by-name/op/openbox/package.nix
@@ -52,12 +52,12 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   src = fetchurl {
-    url = "http://openbox.org/dist/openbox/openbox-${finalAttrs.version}.tar.gz";
+    url = "https://openbox.org/dist/openbox/openbox-${finalAttrs.version}.tar.gz";
     sha256 = "1xvyvqxlhy08n61rjkckmrzah2si1i7nmc7s8h07riqq01vc0jlb";
   };
 
   setlayoutSrc = fetchurl {
-    url = "http://openbox.org/dist/tools/setlayout.c";
+    url = "https://openbox.org/dist/tools/setlayout.c";
     sha256 = "1ci9lq4qqhl31yz1jwwjiawah0f7x0vx44ap8baw7r6rdi00pyiv";
   };