diff --git a/setup.py b/setup.py
index 4115b0317..f5044f4c5 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
     "cwrap>=1.6",
     "ecl>=2.9",
     "ecl2df>=0.8.1",
-    "ert>=2.17",
+    "ert~=2.21b0",
     "fmu-ensemble>=1.2",
     "hyperopt>=0.2.5",
     "jinja2>=2.10",
@@ -23,6 +23,7 @@
     "pyscal>=0.7.4",
     "pyvista>=0.23",
     "pyyaml>=5.2",
+    "semeio~=1.0b0",
     "scikit-learn>=0.22",
     "scipy>=1.4",
     "webviz-config>=0.0.42",
diff --git a/src/flownet/ert/_create_ert_setup.py b/src/flownet/ert/_create_ert_setup.py
index 6c4a971ea..b5d241ccf 100644
--- a/src/flownet/ert/_create_ert_setup.py
+++ b/src/flownet/ert/_create_ert_setup.py
@@ -291,6 +291,16 @@ def create_ert_setup(  # pylint: disable=too-many-arguments
     with open(os.path.join(output_folder, "pipfreeze.output"), "w") as fh:
         subprocess.call(["pip", "freeze"], stdout=fh)
 
+    shutil.copyfile(
+        _MODULE_FOLDER / ".." / "static" / "MISFIT_PREPROCESSOR_WORKFLOW",
+        output_folder / "MISFIT_PREPROCESSOR_WORKFLOW",
+    )
+
+    shutil.copyfile(
+        _MODULE_FOLDER / ".." / "static" / "misfit_preprocessor_config.yml",
+        output_folder / "misfit_preprocessor_config.yml",
+    )
+
     for section in ["RUNSPEC", "PROPS", "SOLUTION", "SCHEDULE"]:
         static_source_path = pathlib.Path(static_path) / f"{section}.inc"
         if static_source_path.is_file():
diff --git a/src/flownet/ert/_run_subprocess.py b/src/flownet/ert/_run_subprocess.py
index 825055955..60624f0a4 100644
--- a/src/flownet/ert/_run_subprocess.py
+++ b/src/flownet/ert/_run_subprocess.py
@@ -5,7 +5,7 @@
 
 import psutil
 
-TIMEOUT = 900  # Kill ERT if no new output to stdout for 15 minutes.
+TIMEOUT = 3600  # Kill ERT if no new output to stdout for 15 minutes.
 
 
 def run_ert_subprocess(command: str, cwd: pathlib.Path, runpath: str) -> None:
diff --git a/src/flownet/static/MISFIT_PREPROCESSOR_WORKFLOW b/src/flownet/static/MISFIT_PREPROCESSOR_WORKFLOW
new file mode 100644
index 000000000..fdc9dc5c8
--- /dev/null
+++ b/src/flownet/static/MISFIT_PREPROCESSOR_WORKFLOW
@@ -0,0 +1 @@
+MISFIT_PREPROCESSOR misfit_preprocessor_config.yml
diff --git a/src/flownet/static/misfit_preprocessor_config.yml b/src/flownet/static/misfit_preprocessor_config.yml
new file mode 100644
index 000000000..1e76d6775
--- /dev/null
+++ b/src/flownet/static/misfit_preprocessor_config.yml
@@ -0,0 +1,4 @@
+workflow:
+  type: auto_scale
+  clustering:
+    type: limited_kmeans
diff --git a/src/flownet/templates/ahm_config.ert.jinja2 b/src/flownet/templates/ahm_config.ert.jinja2
index 36103c368..a1d923c5c 100644
--- a/src/flownet/templates/ahm_config.ert.jinja2
+++ b/src/flownet/templates/ahm_config.ert.jinja2
@@ -25,6 +25,8 @@ LOAD_WORKFLOW SAVE_ITERATION_ANALYTICS_WORKFLOW_{{ loop.index - 1 }}
 HOOK_WORKFLOW SAVE_ITERATION_ANALYTICS_WORKFLOW_{{ loop.index - 1 }} POST_SIMULATION
 {% endfor %}
 {%- endif %}
+LOAD_WORKFLOW MISFIT_PREPROCESSOR_WORKFLOW
+HOOK_WORKFLOW MISFIT_PREPROCESSOR_WORKFLOW PRE_FIRST_UPDATE
 
 GEN_KW FLOWNET_PARAMETERS ./EMPTYFILE ./EMPTYFILE ./parameters.ertparam