diff --git a/pom.xml b/pom.xml
index 911690d5..e4845c97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.the-qa-company</groupId>
     <artifactId>qendpoint-parent</artifactId>
-    <version>2.2.0</version>
+    <version>2.3.0</version>
 
     <packaging>pom</packaging>
 
diff --git a/qendpoint-backend/pom.xml b/qendpoint-backend/pom.xml
index 6b75e331..514353b7 100644
--- a/qendpoint-backend/pom.xml
+++ b/qendpoint-backend/pom.xml
@@ -4,7 +4,7 @@
          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>
     <artifactId>qendpoint-backend</artifactId>
-    <version>2.2.0</version>
+    <version>2.3.0</version>
 
     <packaging>jar</packaging>
 
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>2.2.0</version>
+        <version>2.3.0</version>
     </parent>
 
     <licenses>
diff --git a/qendpoint-cli/pom.xml b/qendpoint-cli/pom.xml
index f37f6121..ce9067db 100644
--- a/qendpoint-cli/pom.xml
+++ b/qendpoint-cli/pom.xml
@@ -2,7 +2,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>qendpoint-cli</artifactId>
-    <version>2.2.0</version>
+    <version>2.3.0</version>
 
     <name>qendpoint package</name>
     <description>Package of the qendpoint.</description>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>2.2.0</version>
+        <version>2.3.0</version>
     </parent>
 
     <dependencies>
diff --git a/qendpoint-core/pom.xml b/qendpoint-core/pom.xml
index d0522ca2..d390abb2 100644
--- a/qendpoint-core/pom.xml
+++ b/qendpoint-core/pom.xml
@@ -4,7 +4,7 @@
          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>
     <artifactId>qendpoint-core</artifactId>
-    <version>2.2.0</version>
+    <version>2.3.0</version>
 
     <packaging>jar</packaging>
 
@@ -27,7 +27,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>2.2.0</version>
+        <version>2.3.0</version>
     </parent>
 
     <licenses>
diff --git a/qendpoint-store/pom.xml b/qendpoint-store/pom.xml
index 308b1c1f..62bcdf64 100644
--- a/qendpoint-store/pom.xml
+++ b/qendpoint-store/pom.xml
@@ -3,7 +3,7 @@
          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>
     <artifactId>qendpoint</artifactId>
-    <version>2.2.0</version>
+    <version>2.3.0</version>
 
     <packaging>jar</packaging>
 
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>2.2.0</version>
+        <version>2.3.0</version>
     </parent>
 
     <licenses>
diff --git a/release/RELEASE.md b/release/RELEASE.md
index 7159f359..99c7593a 100644
--- a/release/RELEASE.md
+++ b/release/RELEASE.md
@@ -1,5 +1,3 @@
-- update rdf4j to 5.1.0
-- add lucene option to set thresholds (#485)
-- fix issue with bitmap not enabled (#506)
-- add reload dl (#499)
-- add bounds to errors (#498)
+- cache constants in query optimiser (#527)
+- update spring to 3.4.0 (#518)
+- remove rdf4j solr from the backend dependencies (#518)
diff --git a/release/RELEASE.md_old b/release/RELEASE.md_old
index 71c4f905..73155377 100644
--- a/release/RELEASE.md_old
+++ b/release/RELEASE.md_old
@@ -1,3 +1,10 @@
+## Version 2.2.0
+        
+- update rdf4j to 5.1.0
+- add lucene option to set thresholds (#485)
+- fix issue with bitmap not enabled (#506)
+- add reload dl (#499)
+- add bounds to errors (#498)
 ## Version 2.1.2
         
 - fix HDT loading issues (#494)