diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f8578b6..6a04c01e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,8 @@ Patch version changes will typically include cosmetic changes (e.g. _xs:document
 
 ## [Unreleased]
 
+## [v3.3.0] - 2019-01-14
+
 ### Added
 
 * Issue **#33** : Add content to ClassificationComplexType to support richer protective marking schemes
@@ -114,7 +116,8 @@ Patch version changes will typically include cosmetic changes (e.g. _xs:document
 
 * Initial open source release
 
-[Unreleased]: https://github.com/gchq/event-logging-schema/compare/v3.2.4...HEAD
+[Unreleased]: https://github.com/gchq/event-logging-schema/compare/v3.3.0...HEAD
+[v3.3.0]: https://github.com/gchq/event-logging-schema/compare/v3.2.4...v3.3.0
 [v3.2.4]: https://github.com/gchq/event-logging-schema/compare/v3.2.3...v3.2.4
 [v3.2.3]: https://github.com/gchq/event-logging-schema/compare/v3.2.2...v3.2.3
 [v3.2.2]: https://github.com/gchq/event-logging-schema/compare/v3.2.1...v3.2.2
diff --git a/event-logging.xsd b/event-logging.xsd
index b76d4da2..b7cab111 100644
--- a/event-logging.xsd
+++ b/event-logging.xsd
@@ -19,8 +19,8 @@
     targetNamespace="event-logging:3"
     elementFormDefault="qualified"
     attributeFormDefault="unqualified"
-    version="3.3.0-SNAPSHOT"
-    id="event-logging-v3.3.0-SNAPSHOT">
+    version="3.3.0"
+    id="event-logging-v3.3.0">
     <xs:annotation>
         <xs:documentation>This schema describes the allowed element structure for event logging. Please refer to the documentation and examples for a description of how to use this schema in addition to the descriptions given for each element within this schema.</xs:documentation>
     </xs:annotation>
@@ -3383,7 +3383,7 @@
             <xs:enumeration value="3.2.2"/>
             <xs:enumeration value="3.2.3"/>
             <xs:enumeration value="3.2.4"/>
-            <xs:enumeration value="3.3.0-SNAPSHOT"/>
+            <xs:enumeration value="3.3.0"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="VirtualSessionSessionStateSimpleType">