diff --git a/pom.xml b/pom.xml
index 90a57678..fabd0692 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <groupId>org.seaborne.rdf-delta</groupId>
   <artifactId>rdf-delta</artifactId>
   <packaging>pom</packaging>
-  <version>0.5.6-SNAPSHOT</version>
+  <version>0.5.6</version>
 
   <name>RDF Delta</name>
   <url>https://afs.github.io/rdf-delta/</url>
@@ -47,7 +47,7 @@
     <connection>scm:git:https://github.com:afs/rdf-delta.git</connection>
     <developerConnection>scm:git:git@github.com:afs/rdf-delta.git</developerConnection>
     <url>https://github.com/afs/rdf-delta.git</url>
-    <tag>HEAD</tag>
+    <tag>v0.5.6</tag>
   </scm>
 
   <developers>
diff --git a/rdf-delta-base/pom.xml b/rdf-delta-base/pom.xml
index 6726c332..ec9af891 100644
--- a/rdf-delta-base/pom.xml
+++ b/rdf-delta-base/pom.xml
@@ -27,14 +27,14 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency> 
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-patch</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
diff --git a/rdf-delta-client/pom.xml b/rdf-delta-client/pom.xml
index f5261219..34758251 100644
--- a/rdf-delta-client/pom.xml
+++ b/rdf-delta-client/pom.xml
@@ -27,14 +27,14 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-base</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
   </dependencies>
 
diff --git a/rdf-delta-cmds/pom.xml b/rdf-delta-cmds/pom.xml
index 378d8794..0892d1f2 100644
--- a/rdf-delta-cmds/pom.xml
+++ b/rdf-delta-cmds/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
@@ -57,32 +57,32 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-client</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-local</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-http</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-extra</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <!-- Only for the patch service -->
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-fuseki</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
@@ -104,7 +104,7 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-extra</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
       <classifier>tests</classifier>
       <scope>test</scope>
     </dependency>
diff --git a/rdf-delta-dist/pom.xml b/rdf-delta-dist/pom.xml
index c2a216f3..785a8a4a 100644
--- a/rdf-delta-dist/pom.xml
+++ b/rdf-delta-dist/pom.xml
@@ -27,26 +27,26 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-fuseki-server</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-cmds</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
   </dependencies>
diff --git a/rdf-delta-examples/pom.xml b/rdf-delta-examples/pom.xml
index d6f4373d..8f06624e 100644
--- a/rdf-delta-examples/pom.xml
+++ b/rdf-delta-examples/pom.xml
@@ -27,26 +27,26 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-http</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-client</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-fuseki</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <!-- LOGGING : Require a logging implementation -->
diff --git a/rdf-delta-fuseki-server/pom.xml b/rdf-delta-fuseki-server/pom.xml
index 7e0ee54b..e2d8b6b4 100644
--- a/rdf-delta-fuseki-server/pom.xml
+++ b/rdf-delta-fuseki-server/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
@@ -35,13 +35,13 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-fuseki</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency> 
  
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-client</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency> 
 
     <dependency>
diff --git a/rdf-delta-fuseki/pom.xml b/rdf-delta-fuseki/pom.xml
index e875ad9c..0e7cb166 100644
--- a/rdf-delta-fuseki/pom.xml
+++ b/rdf-delta-fuseki/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
@@ -35,7 +35,7 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-client</artifactId> 
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
diff --git a/rdf-delta-server-extra/pom.xml b/rdf-delta-server-extra/pom.xml
index 3971d09c..5fd5eb94 100644
--- a/rdf-delta-server-extra/pom.xml
+++ b/rdf-delta-server-extra/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
@@ -35,13 +35,13 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-local</artifactId> 
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-local</artifactId> 
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
       <classifier>tests</classifier>
       <scope>test</scope>
     </dependency>
diff --git a/rdf-delta-server-http/pom.xml b/rdf-delta-server-http/pom.xml
index c2e71c39..796469d5 100644
--- a/rdf-delta-server-http/pom.xml
+++ b/rdf-delta-server-http/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
@@ -40,7 +40,7 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-local</artifactId> 
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <!-- The HTTP Server needs Jetty. The easy way to do that is ... -->
diff --git a/rdf-delta-server-local/pom.xml b/rdf-delta-server-local/pom.xml
index 7f6e355a..a3e7097a 100644
--- a/rdf-delta-server-local/pom.xml
+++ b/rdf-delta-server-local/pom.xml
@@ -27,14 +27,14 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-base</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
diff --git a/rdf-delta-server/pom.xml b/rdf-delta-server/pom.xml
index 7967ae20..5deb91ff 100644
--- a/rdf-delta-server/pom.xml
+++ b/rdf-delta-server/pom.xml
@@ -27,14 +27,14 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-http</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <!-- Put the cmds in as well for convenience.
@@ -44,7 +44,7 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-cmds</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <!-- LOGGING : Require a logging implementation -->
diff --git a/rdf-delta-test/pom.xml b/rdf-delta-test/pom.xml
index e8caed38..802a0b9c 100644
--- a/rdf-delta-test/pom.xml
+++ b/rdf-delta-test/pom.xml
@@ -27,20 +27,20 @@
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent> 
 
   <dependencies>
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-local</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-local</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
       <classifier>tests</classifier>
       <scope>test</scope>
     </dependency>
@@ -53,13 +53,13 @@
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-server-http</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
       <groupId>org.seaborne.rdf-delta</groupId>
       <artifactId>rdf-delta-client</artifactId>
-      <version>0.5.6-SNAPSHOT</version>
+      <version>0.5.6</version>
     </dependency>
 
     <dependency>
diff --git a/rdf-patch/pom.xml b/rdf-patch/pom.xml
index 1bc078fb..95267019 100644
--- a/rdf-patch/pom.xml
+++ b/rdf-patch/pom.xml
@@ -21,14 +21,14 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>rdf-patch</artifactId>
   <packaging>jar</packaging>
-  <version>0.5.6-SNAPSHOT</version>
+  <version>0.5.6</version>
 
   <name>RDF Patch</name>
 
   <parent>
     <groupId>org.seaborne.rdf-delta</groupId>
     <artifactId>rdf-delta</artifactId>
-    <version>0.5.6-SNAPSHOT</version>
+    <version>0.5.6</version>
   </parent>
 
   <dependencies>