diff --git a/pkgs/tools/virtualization/udocker/default.nix b/pkgs/tools/virtualization/udocker/default.nix
index cad6b9866171..446cfff37ff6 100644
--- a/pkgs/tools/virtualization/udocker/default.nix
+++ b/pkgs/tools/virtualization/udocker/default.nix
@@ -28,7 +28,7 @@ buildPythonApplication rec {
 
   meta = with stdenv.lib; {
     description = "basic user tool to execute simple docker containers in user space without root privileges";
-    homepage = https://www.gitbook.com/book/indigo-dc/udocker;
+    homepage = https://indigo-dc.gitbooks.io/udocker;
     license = licenses.asl20;
     maintainers = [ maintainers.bzizou ];
     platforms = platforms.linux;