diff --git a/lib/rouge/demos/yang b/lib/rouge/demos/yang
index d7a7dbcada..c68ff7bf45 100644
--- a/lib/rouge/demos/yang
+++ b/lib/rouge/demos/yang
@@ -1,5 +1,5 @@
 module petstore {
-    namespace "http://gribok.org/ns/yang/example";
+    namespace "http://autlan.dt/gribok/yang/example";
     prefix ex;
 
     revision 2020-04-01 {
diff --git a/spec/visual/samples/yang b/spec/visual/samples/yang
index 1aece72ffd..2751130c0d 100644
--- a/spec/visual/samples/yang
+++ b/spec/visual/samples/yang
@@ -1,6 +1,6 @@
 module server-system {
     yang-version 1.1;
-    namespace "http://gribok.org/ns/yang/example";
+    namespace "http://autlan.dt/gribok/yang/example";
     prefix ex;
 
     import ietf-yang-types {