diff --git a/openarm/package.xml b/openarm/package.xml
index 142c9ae..e49c6f5 100644
--- a/openarm/package.xml
+++ b/openarm/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm</name>
   <version>0.3.0</version>
diff --git a/openarm_bimanual_bringup/package.xml b/openarm_bimanual_bringup/package.xml
index 621b3d6..21d70df 100644
--- a/openarm_bimanual_bringup/package.xml
+++ b/openarm_bimanual_bringup/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_bimanual_bringup</name>
   <version>0.3.0</version>
diff --git a/openarm_bimanual_description/package.xml b/openarm_bimanual_description/package.xml
index bf9f44e..f6de941 100644
--- a/openarm_bimanual_description/package.xml
+++ b/openarm_bimanual_description/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_bimanual_description</name>
   <version>0.3.0</version>
diff --git a/openarm_bimanual_moveit_config/package.xml b/openarm_bimanual_moveit_config/package.xml
index d44a158..4d67cc3 100644
--- a/openarm_bimanual_moveit_config/package.xml
+++ b/openarm_bimanual_moveit_config/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_bimanual_moveit_config</name>
   <version>0.3.0</version>
diff --git a/openarm_bringup/package.xml b/openarm_bringup/package.xml
index 3344e56..7996765 100644
--- a/openarm_bringup/package.xml
+++ b/openarm_bringup/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_bringup</name>
   <version>0.3.0</version>
diff --git a/openarm_description/package.xml b/openarm_description/package.xml
index 1ec339e..f85d0ad 100644
--- a/openarm_description/package.xml
+++ b/openarm_description/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_description</name>
   <version>0.3.0</version>
diff --git a/openarm_hardware/package.xml b/openarm_hardware/package.xml
index e149aad..dedf49b 100644
--- a/openarm_hardware/package.xml
+++ b/openarm_hardware/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_hardware</name>
   <version>0.3.0</version>
diff --git a/openarm_moveit_config/package.xml b/openarm_moveit_config/package.xml
index ebabcae..da8e626 100644
--- a/openarm_moveit_config/package.xml
+++ b/openarm_moveit_config/package.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <!--
 　Copyright 2025 Reazon Holdings, Inc.
 
@@ -14,7 +15,6 @@
 　See the License for the specific language governing permissions and
 　limitations under the License.
 -->
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>openarm_moveit_config</name>
   <version>0.3.0</version>