diff --git a/dwdatareader/DWDataReaderLib.dll b/dwdatareader/DWDataReaderLib.dll
index 3aadb52..fa655a5 100644
Binary files a/dwdatareader/DWDataReaderLib.dll and b/dwdatareader/DWDataReaderLib.dll differ
diff --git a/dwdatareader/DWDataReaderLib.so b/dwdatareader/DWDataReaderLib.so
index 24534f4..e24d9fb 100644
Binary files a/dwdatareader/DWDataReaderLib.so and b/dwdatareader/DWDataReaderLib.so differ
diff --git a/dwdatareader/DWDataReaderLib64.dll b/dwdatareader/DWDataReaderLib64.dll
index 71140d8..4ab02d0 100644
Binary files a/dwdatareader/DWDataReaderLib64.dll and b/dwdatareader/DWDataReaderLib64.dll differ
diff --git a/dwdatareader/DWDataReaderLib64.so b/dwdatareader/DWDataReaderLib64.so
index b0e06bd..e7771fe 100644
Binary files a/dwdatareader/DWDataReaderLib64.so and b/dwdatareader/DWDataReaderLib64.so differ
diff --git a/dwdatareader/__init__.py b/dwdatareader/__init__.py
index f2fd1fe..2ea9eb2 100755
--- a/dwdatareader/__init__.py
+++ b/dwdatareader/__init__.py
@@ -12,7 +12,7 @@
         print(ch.name, ch.series().mean())
 """
 __all__ = ['DWError', 'DWFile', 'getVersion']
-__version__ = '0.15.1'
+__version__ = '0.15.2'
 
 DLL = None # module variable accessible to other classes
 encoding = 'ISO-8859-1'  # default encoding