diff --git a/INSTALL.md b/INSTALL.md
index 14777c4d3c45de97372a3650d2098821c1837ff3..46001250a323b61067a82718794fb0c1f4e69743 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -6,7 +6,7 @@
 - Python 3.4+
 - PyTorch 1.0
 - Cython
-- [mmcv](https://github.com/open-mmlab/mmcv) >= 0.2.5
+- [mmcv](https://github.com/open-mmlab/mmcv)
 
 ### Install mmdetection
 
diff --git a/README.md b/README.md
index bd668f6295473a231f42b7cc8f76a551ed428c83..aeb674d1d4741b1d2e4683b24e6aaf3e6b04675b 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,8 @@ This project is released under the [Apache 2.0 license](LICENSE).
 ## Updates
 
 v0.6.0 (14/04/2019)
-- Various minor fixes and user experience improvements.
+- Up to 30% speedup compared to the model zoo.
+- Support both PyTorch stable and nightly version.
 - Replace NMS and SigmoidFocalLoss with Pytorch CUDA extensions.
 
 v0.6rc0(06/02/2019)
diff --git a/setup.py b/setup.py
index ea674369d80d76246b9f4fe4b532f4b13e9d7dd1..b79eb4d26cad812cdabff4cc3a53e200ddc802a3 100644
--- a/setup.py
+++ b/setup.py
@@ -106,7 +106,7 @@ if __name__ == '__main__':
         setup_requires=['pytest-runner'],
         tests_require=['pytest'],
         install_requires=[
-            'mmcv>=0.2.5', 'numpy', 'matplotlib', 'six', 'terminaltables',
+            'mmcv>=0.2.6', 'numpy', 'matplotlib', 'six', 'terminaltables',
             'pycocotools'
         ],
         zip_safe=False)