diff --git a/README.md b/README.md
index 3056232d..86cd7782 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ Usage
           env: PIP=pip2
 
     script:
-      - $PIP install cibuildwheel==0.9.3
+      - $PIP install cibuildwheel==0.9.4
       - cibuildwheel --output-dir wheelhouse
     ```
 
@@ -62,7 +62,7 @@ Usage
 
     ```
     build_script:
-      - pip install cibuildwheel==0.9.3
+      - pip install cibuildwheel==0.9.4
       - cibuildwheel --output-dir wheelhouse
     artifacts:
       - path: "wheelhouse\\*.whl"
diff --git a/cibuildwheel/__init__.py b/cibuildwheel/__init__.py
index ecc0ae4b..4033697d 100644
--- a/cibuildwheel/__init__.py
+++ b/cibuildwheel/__init__.py
@@ -1 +1 @@
-__version__ = '0.9.3'
+__version__ = '0.9.4'
diff --git a/setup.cfg b/setup.cfg
index bf714c14..59088b5e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.9.3
+current_version = 0.9.4
 commit = True
 tag = True
 message = Bump version
diff --git a/setup.py b/setup.py
index fdbf7ebe..11002a93 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ except ImportError:
 
 setup(
     name='cibuildwheel',
-    version='0.9.3',
+    version='0.9.4',
     install_requires=['bashlex'],
     description="Build Python wheels on CI with minimal configuration.",
     long_description='For readme please see http://github.com/joerick/cibuildwheel',