diff --git a/setup.py b/setup.py
index 13acc75..512f36e 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="SOMPY",
-    version="1.1",
+    version="1.1.1",
     description="Self Organizing Maps Package",
     author="Vahid Moosavi and Sebastian Packmann",
     packages=find_packages(),
diff --git a/sompy/sompy.py b/sompy/sompy.py
index 646f4dc..bc9d779 100644
--- a/sompy/sompy.py
+++ b/sompy/sompy.py
@@ -534,9 +534,9 @@ def bmu_ind_to_xy(self, bmu_ind):
 
         return out.astype(int)
 
-    def cluster(self, n_clusters=8):
+    def cluster(self, n_clusters=8, random_state=0):
         import sklearn.cluster as clust
-        cl_labels = clust.KMeans(n_clusters=n_clusters).fit_predict(
+        cl_labels = clust.KMeans(n_clusters=n_clusters, random_state=random_state).fit_predict(
             self._normalizer.denormalize_by(self.data_raw,
                                             self.codebook.matrix))
         self.cluster_labels = cl_labels