diff --git a/config/workflow_config_example.json b/config/workflow_config_example.json
index ae8afc1..351c8ba 100644
--- a/config/workflow_config_example.json
+++ b/config/workflow_config_example.json
@@ -61,6 +61,12 @@
         "parameter_type": "datetime",
         "key_name": "datetime_example_with_default",
         "default": "2023-12-31T20:00:00"
+      },
+      {
+        "parameter_type": "duration",
+        "key_name": "duration_example_with_default",
+        "description": "The default is in milliseconds.",
+        "default": 3000
       }
     ]
   }
diff --git a/config/workflow_config_nwn.json b/config/workflow_config_nwn.json
index 7b33ead..653cca9 100644
--- a/config/workflow_config_nwn.json
+++ b/config/workflow_config_nwn.json
@@ -17,12 +17,12 @@
   },
   {
     "workflow_type_name": "simulator",
-    "workflow_type_description_name": "High fidelity simulator"
-  },
-  {
-    "workflow_type_name": "test_worker",
-    "workflow_type_description_name": "Used for testing purposes. Should not be used in production environments.",
+    "workflow_type_description_name": "High fidelity simulator",
     "workflow_parameters": [
+      {
+        "parameter_type": "duration",
+        "key_name": "timestep"
+      },
       {
         "parameter_type": "datetime",
         "key_name": "start_time"
@@ -30,35 +30,6 @@
       {
         "parameter_type": "datetime",
         "key_name": "end_time"
-      },
-      {
-        "parameter_type": "integer",
-        "key_name": "step_size_in_minutes",
-        "title": "This will override the 'capitalized, underscore to space', key_name",
-        "description": "Description/explanation.",
-        "default": 900,
-        "minimum": 1,
-        "maximum": 525600
-      },
-      {
-        "parameter_type": "integer",
-        "key_name": "number_of_steps",
-        "minimum": 1
-      },
-      {
-        "parameter_type": "string",
-        "key_name": "test_enum",
-        "description": "How to use enum options",
-        "enum_options": [
-          {
-            "key_name": "key1",
-            "display_name": "Display name 1"
-          },
-          {
-            "key_name": "key2",
-            "display_name": "Display name 2"
-          }
-        ]
       }
     ]
   }
diff --git a/example_sdk_client/requirements.txt b/example_sdk_client/requirements.txt
index 0ce8a2b..d41fb6c 100644
--- a/example_sdk_client/requirements.txt
+++ b/example_sdk_client/requirements.txt
@@ -1 +1 @@
-omotes_sdk_python==3.0.0
+omotes_sdk_python==3.1.0
diff --git a/system_tests/requirements.txt b/system_tests/requirements.txt
index bf56e04..a3a58af 100644
--- a/system_tests/requirements.txt
+++ b/system_tests/requirements.txt
@@ -1,4 +1,4 @@
-omotes_sdk_python==3.0.0
+omotes_sdk_python==3.1.0
 pytest ~= 8.1.2
 pytest-timeout
 xmltodict ~= 0.13.0