diff --git a/pom.xml b/pom.xml
index 4aa72b41..2376b4ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.the-qa-company</groupId>
     <artifactId>qendpoint-parent</artifactId>
-    <version>1.15.3</version>
+    <version>1.15.4</version>
 
     <packaging>pom</packaging>
 
diff --git a/qendpoint-backend/pom.xml b/qendpoint-backend/pom.xml
index 65be74fd..c30443b2 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>1.15.3</version>
+    <version>1.15.4</version>
 
     <packaging>jar</packaging>
 
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>1.15.3</version>
+        <version>1.15.4</version>
     </parent>
 
     <licenses>
diff --git a/qendpoint-cli/pom.xml b/qendpoint-cli/pom.xml
index fd774e20..379ecba9 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>1.15.3</version>
+    <version>1.15.4</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>1.15.3</version>
+        <version>1.15.4</version>
     </parent>
 
     <dependencies>
diff --git a/qendpoint-core/pom.xml b/qendpoint-core/pom.xml
index 0e95248e..75f1e463 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>1.15.3</version>
+    <version>1.15.4</version>
 
     <packaging>jar</packaging>
 
@@ -27,7 +27,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>1.15.3</version>
+        <version>1.15.4</version>
     </parent>
 
     <licenses>
diff --git a/qendpoint-store/pom.xml b/qendpoint-store/pom.xml
index ff2fafab..cfa901fd 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>1.15.3</version>
+    <version>1.15.4</version>
 
     <packaging>jar</packaging>
 
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.the-qa-company</groupId>
         <artifactId>qendpoint-parent</artifactId>
-        <version>1.15.3</version>
+        <version>1.15.4</version>
     </parent>
 
     <licenses>
diff --git a/release/RELEASE.md b/release/RELEASE.md
index 3928bf4e..0d565fb3 100644
--- a/release/RELEASE.md
+++ b/release/RELEASE.md
@@ -1,3 +1,2 @@
-- add custom connection to SparqlRepository updates
-- add support for MSDL/Graph dict in hdtVerify ci (#451)
+- add option to delete triple (#455)
 
diff --git a/release/RELEASE.md_old b/release/RELEASE.md_old
index 99b4c547..adcc378d 100644
--- a/release/RELEASE.md_old
+++ b/release/RELEASE.md_old
@@ -1,3 +1,8 @@
+## Version 1.15.3
+        
+- add custom connection to SparqlRepository updates
+- add support for MSDL/Graph dict in hdtVerify ci (#451)
+
 ## Version 1.15.2
         
 - HDTq store (#443)