diff --git a/dwave/system/package_info.py b/dwave/system/package_info.py
index <HASH>..<HASH> 100644
--- a/dwave/system/package_info.py
+++ b/dwave/system/package_info.py
@@ -14,7 +14,7 @@
 
 __all__ = ['__version__', '__author__', '__authoremail__', '__description__']
 
-__version__ = '1.6.0.dev0'
+__version__ = '1.6.0'
 __author__ = 'D-Wave Systems Inc.'
 __authoremail__ = 'acondello@dwavesys.com'
 __description__ = 'All things D-Wave System.'
Release <I>

Fixes
---

- Updated sphinx and docs conf (#<I>)
- Documented samplers async behavior (#<I>)
- Added more properties to `MockDWaveSampler` (#<I>)
- CI refactored; leaner integration tests (#<I>)

Changes
---

- Dropped Python <I> support (#<I>)