diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 992b6ba9..3dd2cc79 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,6 +4,12 @@ Changelog
 This document describes changes between each past release.
 
 
+1.4.0 (unreleased)
+==================
+
+- Nothing changed yet.
+
+
 1.3.1 (2015-07-15)
 ==================
 
diff --git a/setup.py b/setup.py
index 17f95eae..6e795bf6 100644
--- a/setup.py
+++ b/setup.py
@@ -16,20 +16,20 @@ def read_file(filename):
 CONTRIBUTORS = read_file('CONTRIBUTORS.rst')
 
 REQUIREMENTS = [
-    'waitress==0.8.9',
-    'cliquet==2.3.1'
+    'waitress',
+    'cliquet'
 ]
 
 POSTGRESQL_REQUIREMENTS = REQUIREMENTS + [
-    'cliquet[postgresql]==2.3.1'
+    'cliquet[postgresql]'
 ]
 
 MONITORING_REQUIREMENTS = REQUIREMENTS + [
-    'cliquet[monitoring]==2.3.1'
+    'cliquet[monitoring]'
 ]
 
 FXA_REQUIREMENTS = REQUIREMENTS + [
-    'cliquet-fxa==1.2.0'
+    'cliquet-fxa'
 ]
 
 ENTRY_POINTS = {
@@ -41,7 +41,7 @@ def read_file(filename):
 ]
 
 setup(name='kinto',
-      version='1.3.1',
+      version='1.4.0.dev0',
       description='kinto',
       long_description=README + "\n\n" + CHANGELOG + "\n\n" + CONTRIBUTORS,
       license='Apache License (2.0)',