diff --git a/integration/pom.xml b/integration/pom.xml
index e2d4ea78b..af3734ba0 100755
--- a/integration/pom.xml
+++ b/integration/pom.xml
@@ -1,7 +1,7 @@
 <project
  xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<parent>
 		<groupId>org.slf4j</groupId>
diff --git a/jcl-over-slf4j/pom.xml b/jcl-over-slf4j/pom.xml
index ce47dd863..5cfe39455 100644
--- a/jcl-over-slf4j/pom.xml
+++ b/jcl-over-slf4j/pom.xml
@@ -1,5 +1,5 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
index 3c0edb427..1edb166f1 100644
--- a/jul-to-slf4j/pom.xml
+++ b/jul-to-slf4j/pom.xml
@@ -1,7 +1,7 @@
 <project
         xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/log4j-over-slf4j/pom.xml b/log4j-over-slf4j/pom.xml
index 00a75806f..3b70456e3 100644
--- a/log4j-over-slf4j/pom.xml
+++ b/log4j-over-slf4j/pom.xml
@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/osgi-over-slf4j/pom.xml b/osgi-over-slf4j/pom.xml
index 269e84dcc..1549b1b20 100644
--- a/osgi-over-slf4j/pom.xml
+++ b/osgi-over-slf4j/pom.xml
@@ -1,4 +1,4 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/pom.xml b/pom.xml
index 4d15bddf4..9f242e50b 100755
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/slf4j-android/pom.xml b/slf4j-android/pom.xml
index 37e97c8cf..bd3532a51 100644
--- a/slf4j-android/pom.xml
+++ b/slf4j-android/pom.xml
@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
     <parent>
         <groupId>org.slf4j</groupId>
diff --git a/slf4j-api/pom.xml b/slf4j-api/pom.xml
index 04a933237..7fbad1e6b 100644
--- a/slf4j-api/pom.xml
+++ b/slf4j-api/pom.xml
@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/slf4j-ext/pom.xml b/slf4j-ext/pom.xml
index 1f5adc823..9ae6521e8 100644
--- a/slf4j-ext/pom.xml
+++ b/slf4j-ext/pom.xml
@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/slf4j-jcl/pom.xml b/slf4j-jcl/pom.xml
index 3e8178858..312029e8f 100644
--- a/slf4j-jcl/pom.xml
+++ b/slf4j-jcl/pom.xml
@@ -1,4 +1,4 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<parent>
 		<groupId>org.slf4j</groupId>
diff --git a/slf4j-jdk14/pom.xml b/slf4j-jdk14/pom.xml
index f6121e5f8..f38387dba 100644
--- a/slf4j-jdk14/pom.xml
+++ b/slf4j-jdk14/pom.xml
@@ -1,7 +1,7 @@
 <project
         xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/slf4j-log4j12/pom.xml b/slf4j-log4j12/pom.xml
index 8d4b2b35e..c697a7c48 100644
--- a/slf4j-log4j12/pom.xml
+++ b/slf4j-log4j12/pom.xml
@@ -1,7 +1,7 @@
 <project
         xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/slf4j-migrator/pom.xml b/slf4j-migrator/pom.xml
index e520bf366..8d2801e30 100644
--- a/slf4j-migrator/pom.xml
+++ b/slf4j-migrator/pom.xml
@@ -1,7 +1,7 @@
 <project
         xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 
   <parent>
diff --git a/slf4j-nop/pom.xml b/slf4j-nop/pom.xml
index de3f9b627..e5396429e 100644
--- a/slf4j-nop/pom.xml
+++ b/slf4j-nop/pom.xml
@@ -1,7 +1,7 @@
 <project
         xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/slf4j-simple/pom.xml b/slf4j-simple/pom.xml
index 6aa89f2dc..21d4bd396 100644
--- a/slf4j-simple/pom.xml
+++ b/slf4j-simple/pom.xml
@@ -1,5 +1,5 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>
diff --git a/slf4j-site/pom.xml b/slf4j-site/pom.xml
index 632cdecbb..e08a4c2d0 100644
--- a/slf4j-site/pom.xml
+++ b/slf4j-site/pom.xml
@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <parent>
     <groupId>org.slf4j</groupId>