diff --git a/doc/scapy/conf.py b/doc/scapy/conf.py
index 8bf7c9f061da496d6219a288ec26239de065ac17..e614e670a817323a836e248382c11510de33b815 100644
--- a/doc/scapy/conf.py
+++ b/doc/scapy/conf.py
@@ -44,7 +44,7 @@ copyright = '2008, 2009 Philippe Biondi and the Scapy community'
 # The short X.Y version.
 version = '2.2.0'
 # The full version, including alpha/beta/rc tags.
-release = '2.2.0'
+release = '2.2.0-dev'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
diff --git a/scapy/config.py b/scapy/config.py
index eda58336f76bc14f404f815f5040a582f0e6edee..836de46831e7b8c5c4d2bf0d525aa704af0a77c1 100644
--- a/scapy/config.py
+++ b/scapy/config.py
@@ -316,7 +316,7 @@ noenum    : holds list of enum fields for which conversion to string should NOT
 AS_resolver: choose the AS resolver class to use
 extensions_paths: path or list of paths where extensions are to be looked for
 """
-    version = "2.2.0"
+    version = "2.2.0-dev"
     session = ""
     interactive = False
     interactive_shell = ""
diff --git a/setup.py b/setup.py
index a2a7f46cf707e4714a134d4616c657d82bed7ba2..17ef94eb8f012448a60cb2263dade6ca090875fd 100755
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@ if os.name == "nt":
 
 setup(
     name = 'scapy',
-    version = '2.2.0',
+    version = '2.2.0-dev',
     packages=['scapy','scapy/arch', 'scapy/arch/windows', 'scapy/layers','scapy/asn1','scapy/tools','scapy/modules', 'scapy/crypto'],
     scripts = SCRIPTS,
     data_files = [('share/man/man1', ["doc/scapy.1.gz"])],