diff --git a/setup.cfg b/setup.cfg
index 5d4c3ae..7dfbe3c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.6.3
+current_version = 0.6.4
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 9f24050..9fd3052 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='slr-parser',
-    version='0.6.3',
+    version='0.6.4',
     author='Vipul Gharde',
     authon_email='vipul.gharde@gmail.com',
     description='Implementation of Simple LR (SLR) Parser for educational purposes.',
diff --git a/slr_parser/__init__.py b/slr_parser/__init__.py
index a68d2bd..02f8497 100644
--- a/slr_parser/__init__.py
+++ b/slr_parser/__init__.py
@@ -1 +1 @@
-__version__ = '0.6.3'
+__version__ = '0.6.4'