diff --git a/.travis.yml b/.travis.yml
index 4faf2244..111b1183 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,16 +24,19 @@ before_install:
   - sed -i "s/pandas==.*/pandas==$PANDAS_VERSION/" etc/requirements.txt
   - sed -i "s/scipy==.*/scipy==$SCIPY_VERSION/" etc/requirements.txt
 install:
+  - conda install conda-build --yes
   - conda create -n testenv --yes -c quantopian pip python=$TRAVIS_PYTHON_VERSION numpy=$NUMPY_VERSION scipy=$SCIPY_VERSION libgfortran=1.0 ta-lib=0.4.9
   - source activate testenv
   - pip install --upgrade pip coverage coveralls --cache-dir=$CACHE_DIR
   - pip install -r etc/requirements.txt --cache-dir=$CACHE_DIR
   - pip install -r etc/requirements_dev.txt --cache-dir=$CACHE_DIR
   - pip install -r etc/requirements_blaze.txt --cache-dir=$CACHE_DIR  # this uses git requirements right now
-  - pip install -e . --cache-dir=$CACHE_DIR
+  - pip install -e .[talib] --cache-dir=$CACHE_DIR
 before_script:
   - pip freeze | sort
 script:
+  - IFS='.' read -r -a conda_npy_version <<< "$NUMPY_VERSION"
+  - conda build conda/zipline --python=$TRAVIS_PYTHON_VERSION --numpy="${conda_npy_version[0]}.${conda_npy_version[1]}"  # accepts only major.minor
   - nosetests tests/
   - flake8 zipline tests
 after_success:
diff --git a/appveyor.yml b/appveyor.yml
index 75c5fd29..51bf1bee 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -48,14 +48,14 @@ install:
   - conda install conda-build
   - cmd: '%CMD_IN_ENV% conda build conda\ta-lib -q'
 
-  - cmd: conda create -n testenv --yes -c quantopian pip numpy=%NUMPY_VERSION% scipy=%SCIPY_VERSION% ta-lib=0.4.9
+  - cmd: conda create -n testenv --yes --use-local pip numpy=%NUMPY_VERSION% scipy=%SCIPY_VERSION% ta-lib=0.4.9
   - cmd: activate testenv
   - cmd: pip install --upgrade pip coverage coveralls
   - cmd: pip install -r etc/requirements.txt
   - cmd: pip install -r etc/requirements_dev.txt
   # this uses git requirements right now
   - cmd: pip install -r etc/requirements_blaze.txt
-  - cmd: pip install -e .
+  - cmd: pip install -e .[talib]
 
 test_script:
   - cd \