diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 57f6001c..de6f6364 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.8']
+        python-version: [ '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/ceruleo/__init__.py b/ceruleo/__init__.py
index a4f171fd..86b0e328 100644
--- a/ceruleo/__init__.py
+++ b/ceruleo/__init__.py
@@ -9,4 +9,4 @@
 CACHE_PATH.mkdir(parents=True, exist_ok=True)
 
 
-__version__ = "2.0.5"
+__version__ = "2.0.6"
diff --git a/ceruleo/results/results.py b/ceruleo/results/results.py
index d31484c9..5397f6ec 100644
--- a/ceruleo/results/results.py
+++ b/ceruleo/results/results.py
@@ -25,7 +25,7 @@
 
 """
 import logging
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import  Dict, List, Optional, Tuple, Union
 
 import numpy as np
@@ -56,7 +56,7 @@ class PredictionResult:
     name: str
     true_RUL: np.ndarray
     predicted_RUL: np.ndarray
-    metrics: MetricsResult = MetricsResult(0, 0)
+    metrics: MetricsResult 
 
     def compute_metrics(self):
         self.metrics.mae = mae(self.true_RUL, self.predicted_RUL)
@@ -64,6 +64,7 @@ def compute_metrics(self):
 
 
     def __init__(self, name:str,     true_RUL: np.ndarray, predicted_RUL: np.ndarray):
+        self.metrics = MetricsResult(0, 0)
         self.name = name
         self.true_RUL = np.squeeze(true_RUL)
         self.predicted_RUL = np.squeeze(predicted_RUL)