diff --git a/odoo_openupgrade_wizard/templates.py b/odoo_openupgrade_wizard/templates.py
index c908557..b2087e5 100644
--- a/odoo_openupgrade_wizard/templates.py
+++ b/odoo_openupgrade_wizard/templates.py
@@ -7,6 +7,7 @@ postgres_container_name: {{project_name}}-db
 odoo_host_xmlrpc_port: 9069
 odoo_default_country_code: FR
 
+
 odoo_versions:
 {% for odoo_version in odoo_versions %}
   - release: {{ odoo_version['release'] }}
@@ -19,6 +20,24 @@ migration_steps:
     action: {{ step['action'] }}
     complete_name: {{ step['complete_name'] }}
 {% endfor %}
+
+workload_settings:
+
+    # porting a module requires 45 minutes minimaly
+    port_minimal_time: 45
+
+    # a migration cost more for each version
+    port_per_version: 15
+
+    # Porting 120 lines of Python code costs 1 hour
+    port_per_python_line_time: 0.5
+
+    # Porting 120 lines of Python code costs 1 hour
+    port_per_javascript_line_time: 0.5
+
+    # Porting 10 lines of XML costs 1 minute
+    port_per_xml_line_time: 0.10
+
 """
 
 REPO_YML_TEMPLATE = """
diff --git a/odoo_openupgrade_wizard/tools_odoo_module.py b/odoo_openupgrade_wizard/tools_odoo_module.py
index f5de7d9..d838f6e 100644
--- a/odoo_openupgrade_wizard/tools_odoo_module.py
+++ b/odoo_openupgrade_wizard/tools_odoo_module.py
@@ -401,19 +401,6 @@ class OdooModuleVersion(object):
 
     _file_extensions = [".py", ".xml", ".js"]
 
-    # TODO, make all the values configuration
-    # in the main config.yml file
-
-    # port a module requires 45 minutes minimaly
-    _port_minimal_time = 45
-    # a migration cost more for each version
-    _port_per_version = 15
-    # 1 hour ~ 120 lines of Python / Javascript
-    _port_per_python_line_time = 0.5
-    _port_per_javascript_line_time = 0.5
-    # 1 minute ~ 10 lines of XML
-    _port_per_xml_line_time = 0.10
-
     def __init__(
         self,
         release,
@@ -438,6 +425,15 @@ class OdooModuleVersion(object):
         return [x for x in filter(lambda x: x.addon_path, versions)][-1]
 
     def estimate_workload(self, ctx):
+        settings = ctx.obj["config"]["workload_settings"]
+        port_minimal_time = settings["port_minimal_time"]
+        port_per_version = settings["port_per_version"]
+        port_per_python_line_time = settings["port_per_python_line_time"]
+        port_per_javascript_line_time = settings[
+            "port_per_javascript_line_time"
+        ]
+        port_per_xml_line_time = settings["port_per_xml_line_time"]
+
         if self.state in ["merged", "renamed", "normal_loss"]:
             # The module has been moved, nothing to do
             return
@@ -467,20 +463,17 @@ class OdooModuleVersion(object):
         previous_module_version = self.get_last_existing_version()
         self.workload = (
             # Minimal port time
-            self._port_minimal_time
+            port_minimal_time
             # Add time per release
             + (self.release - previous_module_version.release)
-            * self._port_per_version
+            * port_per_version
             # Add python time
-            + (
-                self._port_per_python_line_time
-                * previous_module_version.python_code
-            )
+            + (port_per_python_line_time * previous_module_version.python_code)
             # Add XML Time
-            + (self._port_per_xml_line_time * previous_module_version.xml_code)
+            + (port_per_xml_line_time * previous_module_version.xml_code)
             # Add Javascript Time
             + (
-                self._port_per_javascript_line_time
+                port_per_javascript_line_time
                 * previous_module_version.javascript_code
             )
         )
diff --git a/tests/data/output_expected/config.yml b/tests/data/output_expected/config.yml
index ed1b7a2..ed35c3b 100644
--- a/tests/data/output_expected/config.yml
+++ b/tests/data/output_expected/config.yml
@@ -7,6 +7,7 @@ postgres_container_name: test-cli-db
 odoo_host_xmlrpc_port: 9069
 odoo_default_country_code: FR
 
+
 odoo_versions:
 
   - release: 13.0
@@ -30,3 +31,21 @@ migration_steps:
     release: 14.0
     action: update
     complete_name: step_03__update__14.0
+
+
+workload_settings:
+
+    # porting a module requires 45 minutes minimaly
+    port_minimal_time: 45
+
+    # a migration cost more for each version
+    port_per_version: 15
+
+    # Porting 120 lines of Python code costs 1 hour
+    port_per_python_line_time: 0.5
+
+    # Porting 120 lines of Python code costs 1 hour
+    port_per_javascript_line_time: 0.5
+
+    # Porting 10 lines of XML costs 1 minute
+    port_per_xml_line_time: 0.10