diff --git a/conda/zipline/meta.yaml b/conda/zipline/meta.yaml
index 030aba91..2cb91a34 100644
--- a/conda/zipline/meta.yaml
+++ b/conda/zipline/meta.yaml
@@ -18,7 +18,7 @@ requirements:
     - python
     - setuptools
     - cython ==0.22.1
-    - numpy ==1.9.2
+    - numpy
   run:
     - python
     {% for req in data.get('install_requires', []) -%}
diff --git a/setup.py b/setup.py
index fc2105c5..665f921b 100644
--- a/setup.py
+++ b/setup.py
@@ -117,6 +117,7 @@ def _filter_requirements(lines_iter):
 
 
 REQ_UPPER_BOUNDS = {
+    'numpy': '<1.10',
 }
 
 
@@ -256,8 +257,7 @@ setup(
         'Topic :: Scientific/Engineering :: Information Analysis',
         'Topic :: System :: Distributed Computing',
     ],
-    install_requires=install_requires(strict_bounds=conda_build,
-                                      conda_format=conda_build),
+    install_requires=install_requires(conda_format=conda_build),
     extras_require=extras_requires(conda_format=conda_build),
     url="http://zipline.io",
 )