diff --git a/src/python/nimbusml/__init__.py b/src/python/nimbusml/__init__.py
index 5d332555..dbd12a7e 100644
--- a/src/python/nimbusml/__init__.py
+++ b/src/python/nimbusml/__init__.py
@@ -2,7 +2,7 @@
 Microsoft Machine Learning for Python
 """
 
-__version__ = '1.2.0'
+__version__ = '1.2.1'
 
 # CoreCLR version of MicrosoftML is built on Windows.
 # But file permissions are not preserved when it's copied to Linux.
diff --git a/src/python/setup.py b/src/python/setup.py
index 2a8a05b6..b06ec054 100644
--- a/src/python/setup.py
+++ b/src/python/setup.py
@@ -45,7 +45,7 @@
     # Versions should comply with PEP440.  For a discussion on
     # single-sourcing the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='1.2.0',
+    version='1.2.1',
 
     description='NimbusML',
     long_description=long_description,
diff --git a/version.txt b/version.txt
index 867e5243..cb174d58 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.2.0
\ No newline at end of file
+1.2.1
\ No newline at end of file