diff --git a/README.md b/README.md
index 7c0fc8a..17de390 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ And, one of the following:
 ## Dependencies
 
 - [Batsched](https://gitlab.inria.fr/batsim/batsched)
-- [WRENCH](https://github.com/wrench-project/wrench) - Built with  ```cmake -DENABLE_BATSCHED=on```
+- [WRENCH version 1.7](https://wrench-project.org/downloads.html) - Built with  ```cmake -DENABLE_BATSCHED=on```
 
 ## Installation
 
diff --git a/src/Simulator.cpp b/src/Simulator.cpp
index 1e8adef..515da05 100644
--- a/src/Simulator.cpp
+++ b/src/Simulator.cpp
@@ -462,7 +462,7 @@ Workflow *Simulator::createIndepWorkflow(std::vector<std::string> spec_tokens) {
     static std::uniform_int_distribution<unsigned long> m_udist(min_time, max_time);
     for (unsigned long i = 0; i < num_tasks; i++) {
         unsigned long flops = m_udist(rng);
-        auto t = workflow->addTask("Task_" + std::to_string(i), (double) flops, 1, 1, 1.0, 0.0);
+        auto t = workflow->addTask("Task_" + std::to_string(i), (double) flops, 1, 1, 1.0);
         WRENCH_INFO("AAAAA   %s %lf", t->getID().c_str(), t->getFlops() );
     }
 
@@ -517,7 +517,7 @@ Workflow *Simulator::createLevelsWorkflow(std::vector<std::string> spec_tokens)
         for (unsigned long t = 0; t < num_tasks[l]; t++) {
             unsigned long flops = (*m_udists[l])(rng);
             wrench::WorkflowTask *task = workflow->addTask("Task_l" + std::to_string(l) + "_" +
-                                                           std::to_string(t), (double) flops, 1, 1, 1.0, 0.0);
+                                                           std::to_string(t), (double) flops, 1, 1, 1.0);
             tasks[l].push_back(task);
         }
     }
@@ -552,7 +552,7 @@ Workflow *Simulator::createDAXWorkflow(std::vector<std::string> spec_tokens) {
     // Add task replicas
     for (auto t : original_workflow->getTasks()) {
 //    WRENCH_INFO("t->getFlops() = %lf", t->getFlops());
-        workflow->addTask(t->getID(), t->getFlops(), 1, 1, 1.0, 0);
+        workflow->addTask(t->getID(), t->getFlops(), 1, 1, 1.0);
     }
 
     // Deal with all dependencies (brute-force, but whatever)
diff --git a/src/StaticClusteringAlgorithms/ClusteredJob.cpp b/src/StaticClusteringAlgorithms/ClusteredJob.cpp
index 58a7288..b2a4c00 100644
--- a/src/StaticClusteringAlgorithms/ClusteredJob.cpp
+++ b/src/StaticClusteringAlgorithms/ClusteredJob.cpp
@@ -174,7 +174,7 @@ namespace wrench {
         auto real_workflow = this->getTasks().at(0)->getWorkflow();
         auto tmp_workflow = new Workflow();
         for (auto real_task : this->getTasks()) {
-            tmp_workflow->addTask(real_task->getID(), 1.0, 1, 1, 1.0, 0);
+            tmp_workflow->addTask(real_task->getID(), 1.0, 1, 1, 1.0);
         }
 
         for (auto tmp_parent : this->getTasks()) {
diff --git a/src/StaticClusteringAlgorithms/StaticClusteringWMS.cpp b/src/StaticClusteringAlgorithms/StaticClusteringWMS.cpp
index cea6e20..788b83f 100644
--- a/src/StaticClusteringAlgorithms/StaticClusteringWMS.cpp
+++ b/src/StaticClusteringAlgorithms/StaticClusteringWMS.cpp
@@ -881,7 +881,7 @@ void StaticClusteringWMS::mergeSingleParentSingleChildPairs(Workflow *workflow)
         wrench::WorkflowTask *merged_task = workflow->addTask(
                 parent_to_merge->getID() + "_" + child_to_merge->getID(),
                 parent_to_merge->getFlops() + child_to_merge->getFlops(),
-                1, 1, 1.0, 0);
+                1, 1, 1.0);
 
         for (auto parent : workflow->getTaskParents(parent_to_merge)) {
             workflow->addControlDependency(parent, merged_task);