diff --git a/pom.xml b/pom.xml
index 2b7bd0b..fbd1c00 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.target>21</maven.compiler.target>
         <maven.compiler.source>21</maven.compiler.source>
-        <gasw.version>4.2</gasw.version>
+        <gasw.version>4.5-SNAPSHOT</gasw.version>
         <grida.version>3.3-SNAPSHOT</grida.version>
         <boutiques-model.version>1.1</boutiques-model.version>
         <revision>1.5</revision>
@@ -95,16 +95,7 @@
             <version>2.1.2</version>
             <scope>runtime</scope>
         </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>2.18.0</version>
-        </dependency>
-        <dependency>
-            <groupId>javax.annotation</groupId>
-            <artifactId>javax.annotation-api</artifactId>
-            <version>1.3.2</version>
-        </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
diff --git a/src/main/java/fr/insalyon/creatis/moteurlite/gasw/Monitor.java b/src/main/java/fr/insalyon/creatis/moteurlite/gasw/Monitor.java
index 1376d71..f4a8698 100644
--- a/src/main/java/fr/insalyon/creatis/moteurlite/gasw/Monitor.java
+++ b/src/main/java/fr/insalyon/creatis/moteurlite/gasw/Monitor.java
@@ -10,6 +10,7 @@
 import fr.insalyon.creatis.moteurlite.workflowsdb.WorkflowsDBRepository;
 
 import fr.insalyon.creatis.gasw.Gasw;
+import fr.insalyon.creatis.gasw.GaswLauncher;
 import fr.insalyon.creatis.gasw.GaswException;
 import fr.insalyon.creatis.gasw.GaswExitCode;
 import fr.insalyon.creatis.gasw.GaswOutput;
@@ -45,16 +46,11 @@ public void run() {
 
                 List<GaswOutput> finishedJobs = gasw.getFinishedJobs();
                 logger.info("Number of finished jobs: " + finishedJobs.size());
-    
-                if (finishedJobs.isEmpty()) {
-                    continue;
-                } else {
-                    try {
-                        processFinishedJobs(finishedJobs);
-                        workflowsDbRepository.persistProcessors(workflowId, applicationName, numberOfInvocations - finishedJobsNumber, successfulJobsNumber, failedJobsNumber);
-                    } catch (MoteurLiteException e) {
-                        logger.error("Error while persisting processors during processing: ", e);
-                    }
+                try {
+                    processFinishedJobs(finishedJobs);
+                    workflowsDbRepository.persistProcessors(workflowId, applicationName, numberOfInvocations - finishedJobsNumber, successfulJobsNumber, failedJobsNumber);
+                } catch (MoteurLiteException e) {
+                    logger.error("Error while persisting processors during processing: ", e);
                 }
             } catch (InterruptedException e) {
                 terminate(true);
@@ -65,7 +61,6 @@ public void run() {
     }
 
     private synchronized void waitForGasw() throws InterruptedException {
-        gasw.waitForNotification();
         wait();
     }
 
@@ -104,7 +99,7 @@ private void terminate(boolean killed) {
             }
 
             workflowsDbRepository.persistWorkflow(workflowId, finalStatus);
-            gasw.terminate(killed);
+            GaswLauncher.stop(killed);
             logger.info("workflow finished with status {}", finalStatus.name());
         } catch (GaswException e) {
             logger.error("Error while terminating Gasw: ", e);
diff --git a/src/main/java/fr/insalyon/creatis/moteurlite/runner/MoteurLiteRunner.java b/src/main/java/fr/insalyon/creatis/moteurlite/runner/MoteurLiteRunner.java
index f0147a4..eb1d7ec 100644
--- a/src/main/java/fr/insalyon/creatis/moteurlite/runner/MoteurLiteRunner.java
+++ b/src/main/java/fr/insalyon/creatis/moteurlite/runner/MoteurLiteRunner.java
@@ -5,6 +5,7 @@
 import java.util.List;
 import java.util.Map;
 
+import fr.insalyon.creatis.gasw.GaswLauncher;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -122,7 +123,7 @@ public void run(String workflowId, String boutiquesFilePath, String inputsFilePa
 
     private void initGaswAndMonitor(String workflowId, String descriptorName, int numberOfInvocations) throws MoteurLiteException {
         try {
-            gasw = Gasw.getInstance();
+            gasw = GaswLauncher.start();
             monitor = new Monitor(gasw, workflowsDBRepo, workflowId, descriptorName, numberOfInvocations);
             gasw.setNotificationClient(monitor);
             monitor.start();