diff --git a/app/cocal_methods.py b/app/cocal_methods.py
index 3c5575b9d68921cd42f568e9c53cf7c34867545b..7e09377d41aa84169f8ab0b01fa53995c71bb775 100644
--- a/app/cocal_methods.py
+++ b/app/cocal_methods.py
@@ -413,7 +413,7 @@ class CocalMethods:
         umc_kwargs = {
             "draw_samples": draw_samples,
             "evaluate": evaluate,
-            "runs": 200,
+            "runs": 40,
             "blocksize": 8,
             "n_cpu": 1,
             "compute_full_covariance": True,
@@ -723,7 +723,7 @@ class CocalMethods:
         umc_kwargs = {
             "draw_samples": draw_samples,
             "evaluate": evaluate,
-            "runs": 20,
+            "runs": 40,
             "blocksize": 8,
             "n_cpu": 1,
             "compute_full_covariance": False,
@@ -849,7 +849,7 @@ class CocalMethods:
         umc_kwargs = {
             "draw_samples": draw_samples,
             "evaluate": evaluate,
-            "runs": 20,
+            "runs": 40,
             "blocksize": 8,
             "n_cpu": 1,
             "compute_full_covariance": True,