diff --git a/setup.py b/setup.py
index 605ed281f11f5f71cb0d08aa0b3a9c4e81432b5f..20be6e062c33b77953d5d01f93638508c964fecc 100644
--- a/setup.py
+++ b/setup.py
@@ -28,19 +28,19 @@ extensions = [
 setup(name='CSSTSim', 
     version='0.3', 
     packages=find_packages(),
-    # install_requires=[
-    # 'numpy>=1.18.5',
-    # 'galsim>=2.2.4',
-    # 'yaml>=5.3.1',
-    # 'astropy>=4.0.1',
-    # 'scipy>=1.5.0',
-    # 'mpi4py>=3.0.3',
-    # 'sep>=1.0.3',
-    # 'healpy>=1.14.0',
-    # 'h5py>=2.10.0',
-    # 'Cython>=0.29.21'
-    # 'numba>=0.50.1'
-    # ]
+    install_requires=[
+        'numpy>=1.18.5',
+        'galsim>=2.2.4',
+        'pyyaml>=5.3.1',
+        'astropy>=4.0.1',
+        'scipy>=1.5.0',
+        'mpi4py>=3.0.3',
+        'sep>=1.0.3',
+        'healpy>=1.14.0',
+        'h5py>=2.10.0',
+        'Cython>=0.29.21'
+        'numba>=0.50.1'
+    ],
     package_data = {
         'ObservationSim.Astrometry.lib': ['libshao.so'], 
         'ObservationSim.MockObject.data': ['*.dat'],