diff --git a/pkgs/development/libraries/soqt/default.nix b/pkgs/development/libraries/soqt/default.nix
index fdad4e21b0b..9769596621b 100644
--- a/pkgs/development/libraries/soqt/default.nix
+++ b/pkgs/development/libraries/soqt/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
 
   meta = {
-    homepage = http://www.coin3d.org/;
+    homepage = https://bitbucket.org/Coin3D/coin/wiki/Home;
     license = stdenv.lib.licenses.gpl2Plus;
     description = "Glue between Coin high-level 3D visualization library and Qt";
 
diff --git a/pkgs/development/libraries/soxt/default.nix b/pkgs/development/libraries/soxt/default.nix
index 13f037960b0..c219d5bfb36 100644
--- a/pkgs/development/libraries/soxt/default.nix
+++ b/pkgs/development/libraries/soxt/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ coin3d motif xlibsWrapper libGLU_combined ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.coin3d.org/;
+    homepage = https://bitbucket.org/Coin3D/coin/wiki/Home;
     license = licenses.bsd3;
     description = "A GUI binding for using Open Inventor with Xt/Motif";
     maintainers = with maintainers; [ tmplt ];