Update version to 5.3.1
diff --git a/lib/yaml/__init__.py b/lib/yaml/__init__.py
index 1954704..211fc86 100644
--- a/lib/yaml/__init__.py
+++ b/lib/yaml/__init__.py
@@ -8,7 +8,7 @@
 from loader import *
 from dumper import *
 
-__version__ = '5.3'
+__version__ = '5.3.1'
 
 try:
     from cyaml import *
diff --git a/lib3/yaml/__init__.py b/lib3/yaml/__init__.py
index 658a08a..13d687c 100644
--- a/lib3/yaml/__init__.py
+++ b/lib3/yaml/__init__.py
@@ -8,7 +8,7 @@
 from .loader import *
 from .dumper import *
 
-__version__ = '5.3'
+__version__ = '5.3.1'
 try:
     from .cyaml import *
     __with_libyaml__ = True
diff --git a/setup.py b/setup.py
index 1a0413a..5e34adf 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 
 NAME = 'PyYAML'
-VERSION = '5.3'
+VERSION = '5.3.1'
 DESCRIPTION = "YAML parser and emitter for Python"
 LONG_DESCRIPTION = """\
 YAML is a data serialization format designed for human readability