diff --git a/setup.py b/setup.py
index aa85d46..d3a823c 100755
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ setup(name = "sly",
 SLY is an implementation of lex and yacc for Python 3.
 """,
             license="""BSD""",
-            version = "0.3",
+            version = "0.4",
             author = "David Beazley",
             author_email = "dave@dabeaz.com",
             maintainer = "David Beazley",
diff --git a/sly/__init__.py b/sly/__init__.py
index 8140ac1..3c1e708 100644
--- a/sly/__init__.py
+++ b/sly/__init__.py
@@ -2,4 +2,5 @@
 from .lex import *
 from .yacc import *
 
+__version__ = "0.4"
 __all__ = [ *lex.__all__, *yacc.__all__ ]
diff --git a/sly/lex.py b/sly/lex.py
index 8cd19e6..e6c8ac3 100644
--- a/sly/lex.py
+++ b/sly/lex.py
@@ -31,7 +31,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 # -----------------------------------------------------------------------------
 
-__version__    = '0.3'
 __all__ = ['Lexer', 'LexerStateChange']
 
 import re
diff --git a/sly/yacc.py b/sly/yacc.py
index 7fe91e2..34c236e 100644
--- a/sly/yacc.py
+++ b/sly/yacc.py
@@ -35,7 +35,6 @@ import sys
 import inspect
 from collections import OrderedDict, defaultdict
 
-__version__    = '0.3'
 __all__        = [ 'Parser' ]
 
 class YaccError(Exception):