diff --git a/doxia-core/src/main/mdo/document.mdo b/doxia-core/src/main/mdo/document.mdo
index aaea2f3..fee2674 100644
--- a/doxia-core/src/main/mdo/document.mdo
+++ b/doxia-core/src/main/mdo/document.mdo
@@ -19,8 +19,8 @@
   under the License.
 -->
 
-<model xmlns="http://codehaus-plexus.github.io/MODELLO/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://codehaus-plexus.github.io/MODELLO/1.8.0 http://codehaus-plexus.github.io/modello/xsd/https://codehaus-plexus.github.io/modello/xsd/modello-1.8.0.xsd"
+<model xmlns="https://codehaus-plexus.github.io/MODELLO/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="https://codehaus-plexus.github.io/MODELLO/1.8.0 https://codehaus-plexus.github.io/modello/xsd/https://codehaus-plexus.github.io/modello/xsd/modello-1.8.0.xsd"
   xml.namespace="http://maven.apache.org/DOCUMENT/${version}"
   xml.schemaLocation="http://maven.apache.org/xsd/document-${version}.xsd">
   <id>document</id>
diff --git a/doxia-modules/doxia-module-fml/src/main/mdo/fml.mdo b/doxia-modules/doxia-module-fml/src/main/mdo/fml.mdo
index 2fce49d..2d3c2ee 100644
--- a/doxia-modules/doxia-module-fml/src/main/mdo/fml.mdo
+++ b/doxia-modules/doxia-module-fml/src/main/mdo/fml.mdo
@@ -19,7 +19,7 @@
 under the License.
 -->
 
-<model xmlns="http://modello.codehaus.org/MODELLO/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://modello.codehaus.org/MODELLO/1.0.0 http://modello.codehaus.org/xsd/modello-1.0.0.xsd">
+<model xmlns="https://codehaus-plexus.github.io/MODELLO/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://codehaus-plexus.github.io/MODELLO/1.0.0 https://codehaus-plexus.github.io/modello/xsd/modello-1.0.0.xsd">
   <id>fml</id>
   <name>Fml</name>
   <description><![CDATA[