diff --git a/.travis.yml b/.travis.yml
index 510550dc..d0124f1d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,10 +39,10 @@ install:
 before_script:
   - pip freeze | sort
 script:
-  - conda build conda/bcolz -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NUMPY_VERSION
-  - conda build conda/cyordereddict -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NUMPY_VERSION
-  - conda build conda/logbook -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NUMPY_VERSION
-  - conda build conda/ta-lib -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NUMPY_VERSION
+  - conda build conda/bcolz -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NPY_VERSION_MAJ_MIN
+  - conda build conda/cyordereddict -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NPY_VERSION_MAJ_MIN
+  - conda build conda/logbook -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NPY_VERSION_MAJ_MIN
+  - conda build conda/ta-lib -q --python=$TRAVIS_PYTHON_VERSION --numpy=$NPY_VERSION_MAJ_MIN
   # unshallow the clone so the conda build can clone it.
   - git fetch --unshallow
   - conda build conda/zipline --python=$TRAVIS_PYTHON_VERSION --numpy=$NPY_VERSION_MAJ_MIN
diff --git a/appveyor.yml b/appveyor.yml
index 2a86d222..f561bbde 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -103,11 +103,13 @@ install:
 
   - conda info -a
   - conda install conda-build
-  - cmd: '%CMD_IN_ENV% conda build conda\bcolz -q --python=%PYTHON_VERSION% --numpy=%NUMPY_VERSION%'
-  - cmd: '%CMD_IN_ENV% conda build conda\cyordereddict -q --python=%PYTHON_VERSION% --numpy=%NUMPY_VERSION%'
-  - cmd: '%CMD_IN_ENV% conda build conda\logbook -q --python=%PYTHON_VERSION% --numpy=%NUMPY_VERSION%'
-  - cmd: '%CMD_IN_ENV% conda build conda\ta-lib -q --python=%PYTHON_VERSION% --numpy=%NUMPY_VERSION%'
-  - cmd: '%CMD_IN_ENV% conda build conda\zipline --python=%PYTHON_VERSION% --numpy=%NUMPY_VERSION%'
+  - ps: $NPY_VERSION_ARR=$env:NUMPY_VERSION -split '.', 0, 'simplematch'
+  - ps: $env:NPY_VERSION_MAJ_MIN=$NPY_VERSION_ARR[0..1] -join ""
+  - cmd: '%CMD_IN_ENV% conda build conda/bcolz -q --python=%PYTHON_VERSION% --numpy=%NPY_VERSION_MAJ_MIN%'
+  - cmd: '%CMD_IN_ENV% conda build conda/cyordereddict -q --python=%PYTHON_VERSION% --numpy=%NPY_VERSION_MAJ_MIN%'
+  - cmd: '%CMD_IN_ENV% conda build conda/logbook -q --python=%PYTHON_VERSION% --numpy=%NPY_VERSION_MAJ_MIN%'
+  - cmd: '%CMD_IN_ENV% conda build conda/ta-lib -q --python=%PYTHON_VERSION% --numpy=%NPY_VERSION_MAJ_MIN%'
+  - cmd: '%CMD_IN_ENV% conda build conda/zipline --python=%PYTHON_VERSION% --numpy=%NPY_VERSION_MAJ_MIN%'
 
   - cmd: conda create -n testenv --yes --use-local pip numpy=%NUMPY_VERSION% scipy=%SCIPY_VERSION% ta-lib=0.4.9
   - cmd: activate testenv