diff --git a/glest/__init__.py b/glest/__init__.py
index 83549e0..688ed7d 100644
--- a/glest/__init__.py
+++ b/glest/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "0.0.1-alpha.1"
+__version__ = "0.0.1"
 
 from .core import GLEstimator, GLEstimatorCV, Partitioner
diff --git a/glest/core.py b/glest/core.py
index e90ecf1..7475c28 100644
--- a/glest/core.py
+++ b/glest/core.py
@@ -18,11 +18,11 @@
 )
 from .plot import grouping_diagram
 from sklearn.utils.validation import indexable
-from sklearn.base import clone
+from sklearn.base import clone, BaseEstimator
 from typing import List
 
 
-class Partitioner:
+class Partitioner(BaseEstimator):
     """A class for partitionning the feature space, stratified by level sets
     of predicted probabilities.
 
@@ -327,7 +327,7 @@ def predict(self, X, y_scores):
         return labels
 
 
-class GLEstimator:
+class GLEstimator(BaseEstimator):
     """Estimate the grouping loss of a fitted probabilistic classifier.
 
     Parameters