diff --git a/pure_ocean_breeze/jason/labor/process.py b/pure_ocean_breeze/jason/labor/process.py
index f7b5401..74947b7 100644
--- a/pure_ocean_breeze/jason/labor/process.py
+++ b/pure_ocean_breeze/jason/labor/process.py
@@ -985,7 +985,7 @@ def get_neutral_factors(self, only_cap=0):
             )
 
         dates=list(set(self.factors.date))
-        with mpire.WorkerPool(30) as pool:
+        with mpire.WorkerPool(20) as pool:
             res=pool.map(self.neutralize_factors,dates)
         self.factors = pd.concat(res)
         self.factors = self.factors.reset_index()
@@ -2354,7 +2354,7 @@ def get_snow_fac(self):
         dates=list(set(self.corr_pri.date))
         # dates=[self.corr_pri[self.corr_pri.date==i].set_index(['date','code']) for i in dates]
         # print(dates[0])
-        with mpire.WorkerPool(30) as pool:
+        with mpire.WorkerPool(20) as pool:
             res=pool.map(self.ols_in_group,dates)
         self.snow_fac = pd.concat(res)
         # self.snow_fac = (