diff --git a/pom.xml b/pom.xml
index 9c987aba..e4179de8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <packaging>jar</packaging>
 
   <properties>
-    <sebserver-version>1.5.2</sebserver-version>
+    <sebserver-version>1.5.3</sebserver-version>
     <build-version>${sebserver-version}</build-version>
     <revision>${sebserver-version}</revision>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ClientConnectionDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ClientConnectionDAOImpl.java
index ba0abd37..a5ced324 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ClientConnectionDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ClientConnectionDAOImpl.java
@@ -436,9 +436,14 @@ public class ClientConnectionDAOImpl implements ClientConnectionDAO {
     @Transactional
     public Result<Boolean> saveSecurityCheckStatus(final Long connectionId, final Boolean checkStatus) {
         return Result.tryCatch(() -> {
+
+            // NOTE: we use nanoseconds here to get a better precision to better avoid
+            //       same value of real concurrent calls on distributed systems
+            final long nanosecondsNow = System.nanoTime();
             this.clientConnectionRecordMapper.updateByPrimaryKeySelective(new ClientConnectionRecord(
                     connectionId,
-                    null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null,
+                    null, null, null, null, null, null, null, null, null, null, nanosecondsNow, null, null, null, null,
+                    null,
                     Utils.toByte(checkStatus),
                     null, null));
             return checkStatus;
@@ -450,9 +455,13 @@ public class ClientConnectionDAOImpl implements ClientConnectionDAO {
     @Transactional
     public Result<Boolean> saveSEBClientVersionCheckStatus(final Long connectionId, final Boolean checkStatus) {
         return Result.tryCatch(() -> {
+            // NOTE: we use nanoseconds here to get a better precision to better avoid
+            //       same value of real concurrent calls on distributed systems
+            final long nanosecondsNow = System.nanoTime();
             this.clientConnectionRecordMapper.updateByPrimaryKeySelective(new ClientConnectionRecord(
                     connectionId,
-                    null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null,
+                    null, null, null, null, null, null, null, null, null, null, nanosecondsNow, null, null, null, null,
+                    null,
                     null, null, Utils.toByte(checkStatus)));
             return checkStatus;
         })