diff --git a/mokapot/config.py b/mokapot/config.py
index 63f729b2..5f85978e 100644
--- a/mokapot/config.py
+++ b/mokapot/config.py
@@ -65,6 +65,14 @@ def _parser():
         ),
     )
 
+    parser.add_argument(
+        "-w",
+        "--max_workers",
+        default=1,
+        type=int,
+        help="The number of processes to use for model training.",
+    )
+
     parser.add_argument(
         "-r",
         "--file_root",
diff --git a/mokapot/model.py b/mokapot/model.py
index ceea21a8..ac04c299 100644
--- a/mokapot/model.py
+++ b/mokapot/model.py
@@ -432,7 +432,7 @@ def __init__(
         """Initialize a PercolatorModel"""
         svm_model = LinearSVC(dual=False)
         estimator = GridSearchCV(
-            svm_model, param_grid=PERC_GRID, refit=False, cv=3
+            svm_model, param_grid=PERC_GRID, refit=False, cv=3, n_jobs=-1
         )
 
         super().__init__(
diff --git a/mokapot/mokapot.py b/mokapot/mokapot.py
index c2015f9b..8e7cb7b3 100644
--- a/mokapot/mokapot.py
+++ b/mokapot/mokapot.py
@@ -92,7 +92,11 @@ def main():
 
     # Fit the models:
     psms, models = brew(
-        datasets, model=model, test_fdr=config.test_fdr, folds=config.folds
+        datasets,
+        model=model,
+        test_fdr=config.test_fdr,
+        folds=config.folds,
+        max_workers=config.max_workers,
     )
 
     if config.dest_dir is not None:
diff --git a/setup.cfg b/setup.cfg
index 7dd6f854..64ac2b1d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,9 +25,9 @@ install_requires =
     pandas>=1.0.3
     scikit-learn>=0.22.1
     numba>=0.48.0
-    triqler>=0.3.0
     matplotlib>=3.1.3
     lxml>=4.6.2
+    triqler>=0.6.2
 
 [options.extras_require]
 docs =
diff --git a/tests/system_tests/test_cli.py b/tests/system_tests/test_cli.py
index 83ee743f..7ef08dcc 100644
--- a/tests/system_tests/test_cli.py
+++ b/tests/system_tests/test_cli.py
@@ -69,6 +69,8 @@ def test_cli_options(tmp_path, scope_files):
         "--keep_decoys",
         "--subset_max_train",
         "50000",
+        "--max_workers",
+        "3",
     ]
 
     subprocess.run(cmd, check=True)