diff --git a/pwnlib/version.py b/pwnlib/version.py
index c9db8de20..f7dfb7bdc 100644
--- a/pwnlib/version.py
+++ b/pwnlib/version.py
@@ -1 +1 @@
-__version__ = '4.14.0beta0'
+__version__ = '4.15.0dev'
diff --git a/setup.py b/setup.py
index ae433328a..637f5cd7a 100755
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@
     sys.exit(-1)
 
 setup(
-    version              = '4.14.0beta0',
+    version              = '4.15.0dev',
     data_files           = [('pwntools-doc',
                              glob.glob('*.md') + glob.glob('*.txt')),
                             ],