diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae5ca326..c8e2f685 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.14] - 2022-06-05
+### Improvement
+- Added one more table to the weu showing the cost totals.
+### Fix
+- Fixed wrong type error when serializing numpy ints. Converted ints to Python type.
+
 ## [0.3.13] - 2022-05-20
 ### Fix
 - Fix wrong default value implementation for solver params.
diff --git a/docs/conf.py b/docs/conf.py
index 7cce9578..bd0f79fc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,7 +22,7 @@
 author = 'David HERNANDEZ'
 
 # The full version, including alpha/beta/rc tags
-release = '0.3.13'
+release = '0.3.14'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/setup.py b/setup.py
index 7fc2f78e..014114c2 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 setup(
     name='emhass',  # Required
-    version='0.3.13',  # Required
+    version='0.3.14',  # Required
     description='An Energy Management System for Home Assistant',  # Optional
     long_description=long_description,  # Optional
     long_description_content_type='text/markdown',  # Optional (see note above)
diff --git a/src/emhass/retrieve_hass.py b/src/emhass/retrieve_hass.py
index fa55b30d..79e408a8 100644
--- a/src/emhass/retrieve_hass.py
+++ b/src/emhass/retrieve_hass.py
@@ -200,7 +200,7 @@ def get_attr_data_dict(data_df: pd.DataFrame, idx: int, entity_id: str,
         list_df = copy.deepcopy(data_df).loc[data_df.index[idx]:].reset_index()
         list_df.columns = ['timestamps', entity_id]
         ts_list = [str(i) for i in list_df['timestamps'].tolist()]
-        vals_list = [int(np.round(i)) for i in list_df[entity_id].tolist()]
+        vals_list = [str(np.round(i)) for i in list_df[entity_id].tolist()]
         forecast_list = []
         for i, ts in enumerate(ts_list):
             datum = {}