diff --git a/.travis.yml b/.travis.yml
index b96f15717..614ee7f33 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -283,7 +283,6 @@ jobs:
     - *env_path
 
 stages:
-- *test_dpl
 - *doc_stage_name
 - test
 - name: *stage_test_osx_name
diff --git a/CHANGES.rst b/CHANGES.rst
index 0aa364760..c525a9d5c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,8 +1,10 @@
-3.3.0 (2017-10-xx)
+3.3.0 (2017-10-15)
 ------------------
 
 * Introduce abstract base classes (#102)
 
+* Publish OSX binary wheels (#153)
+
 
 3.2.0 (2017-09-17)
 ------------------
diff --git a/multidict/__init__.py b/multidict/__init__.py
index dd8575754..9aa064657 100644
--- a/multidict/__init__.py
+++ b/multidict/__init__.py
@@ -12,7 +12,7 @@
            'MultiDictProxy', 'CIMultiDictProxy',
            'MultiDict', 'CIMultiDict', 'upstr', 'istr')
 
-__version__ = '3.2.0'
+__version__ = '3.3.0'
 
 
 from ._abc import MultiMapping, MutableMultiMapping
diff --git a/requirements/ci.txt b/requirements/ci.txt
index 71a0399e8..0461449ce 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -7,8 +7,7 @@ sphinx==1.6.4
 alabaster>=0.6.2
 pytest-cov==2.5.1
 pygments==2.2.0
-mypy==0.530; (python_version>="3.5" or platform_system != "Windows") and platform_python_implementation != "PyPy"
-git+git://github.com/python/mypy.git@b6bcdc0; python_version<"3.5" and platform_system == "Windows"
+mypy==0.540; platform_python_implementation != "PyPy"
 -e .
 
 codecov==2.0.9
diff --git a/tools/build-wheels.sh b/tools/build-wheels.sh
index 3f5058d49..61e6bacc4 100755
--- a/tools/build-wheels.sh
+++ b/tools/build-wheels.sh
@@ -1,4 +1,11 @@
 #!/bin/bash
+if [ -n "$DEBUG" ]
+then
+  set -x
+fi
+set -euo pipefail
+# ref: https://coderwall.com/p/fkfaqq/safer-bash-scripts-with-set-euxo-pipefail
+
 PYTHON_VERSIONS="cp34-cp34m cp35-cp35m cp36-cp36m"
 
 # Avoid creation of __pycache__/*.py[c|o]
@@ -24,14 +31,21 @@ done
 echo
 echo
 echo "Bundle external shared libraries into the wheels"
-for whl in /io/dist/${package_name}*${arch}.whl; do
+for whl in /io/dist/${package_name}-*-linux_${arch}.whl; do
     echo "Repairing $whl..."
     auditwheel repair "$whl" -w /io/dist/
 done
 
+echo
+echo
 echo "Cleanup OS specific wheels"
 rm -fv /io/dist/*-linux_*.whl
 
+echo
+echo
+echo "Cleanup non-$package_name wheels"
+find /io/dist -maxdepth 1 -type f ! -name "$package_name"'-*-manylinux1_'"$arch"'.whl' -print0 | xargs -0 rm -rf
+
 echo
 echo
 echo "Install packages and test"
@@ -39,10 +53,12 @@ echo "dist directory:"
 ls /io/dist
 
 for PYTHON in ${PYTHON_VERSIONS}; do
+    # clear python cache
+    find /io -type d -name __pycache__ -print0 | xargs -0 rm -rf
+
     echo
     echo -n "Test $PYTHON: "
-    /opt/python/${PYTHON}/bin/python -c "import platform;print(platform.platform())"
+    /opt/python/${PYTHON}/bin/python -c "import platform; print('Building wheel for {platform} platform.'.format(platform=platform.platform()))"
     /opt/python/${PYTHON}/bin/pip install "$package_name" --no-index -f file:///io/dist
-    find /io/tests -name __pycache__ | xargs rm -rf
     /opt/python/${PYTHON}/bin/py.test /io/tests
 done