diff --git a/requirements.txt b/requirements.txt
index 762b6e22..7caa924a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 blist
 futures
-scales
+scales >=1.0.6
 six >=1.6
diff --git a/setup.py b/setup.py
index 027626c1..1a00f7c4 100644
--- a/setup.py
+++ b/setup.py
@@ -181,7 +181,7 @@ def run_setup(extensions):
         kw['cmdclass']['build_ext'] = build_extensions
         kw['ext_modules'] = extensions
 
-    dependencies = ['futures', 'scales >=1.0.5', 'blist', 'six >=1.6']
+    dependencies = ['futures', 'scales >=1.0.6', 'blist', 'six >=1.6']
     if platform.python_implementation() != "CPython":
         dependencies.remove('blist')