diff --git a/setup.py b/setup.py
index 8ac92d60a907f8cf753cddf003f555660fb60788..699b6539d95c9f5122c683a8c89d52104d0d1f17 100644
--- a/setup.py
+++ b/setup.py
@@ -36,9 +36,13 @@ extensions = [
         libraries=["m"]),
 ]
 
-df_module = [CTypes('ObservationSim.Instrument.Chip.lib_bf.libmoduleBF',
-                    ['ObservationSim/Instrument/Chip/lib_bf/diffusion_X1.c', 'ObservationSim/Instrument/Chip/lib_bf/nrutil.c'],
-                    include_dirs=['ObservationSim/Instrument/Chip/lib_bf/', '/usr/include']
+df_module = [CTypes('ObservationSim.Instrument.Chip.libBF.libmoduleBF',
+                    ['ObservationSim/Instrument/Chip/libBF/diffusion_X1.c', 'ObservationSim/Instrument/Chip/libBF/nrutil.c'],
+                    include_dirs=['ObservationSim/Instrument/Chip/libBF/', '/usr/include']
+)]
+cti_module = [CTypes('ObservationSim.Instrument.Chip.libCTI.libmoduleCTI',
+                    ['ObservationSim/Instrument/Chip/libCTI/src/add_CTI1.c', 'ObservationSim/Instrument/Chip/libCTI/src/nrutil.c', 'ObservationSim/Instrument/Chip/libCTI/src/ran1.c', 'ObservationSim/Instrument/Chip/libCTI/src/ran2.c', 'ObservationSim/Instrument/Chip/libCTI/src/poidev.c', 'ObservationSim/Instrument/Chip/libCTI/src/gammln.c', 'ObservationSim/Instrument/Chip/libCTI/src/gasdev.c', 'ObservationSim/Instrument/Chip/libCTI/src/sort.c', 'ObservationSim/Instrument/Chip/libCTI/src/creattraps.c'],
+                    include_dirs=['ObservationSim/Instrument/Chip/libCTI/src/', '/usr/include']
 )]
 
 
@@ -65,7 +69,8 @@ setup(name='CSSTSim',
     ],
     package_data = {
         'ObservationSim.Astrometry.lib': ['libshao.so'], 
-        'ObservationSim.Instrument.Chip.lib_bf': ['libmoduleBF.so'],
+        'ObservationSim.Instrument.Chip.libBF': ['libmoduleBF.so'],
+        'ObservationSim.Instrument.Chip.libCTI': ['libmoduleCTI.so'],
         'ObservationSim.MockObject.data': ['*.dat'], 
         'ObservationSim.Instrument.data': ['*.txt', '*.dat', '*.json'],
         'ObservationSim.Instrument.data.field_distortion': ['*.pickle'],
@@ -80,6 +85,6 @@ setup(name='CSSTSim',
         'ObservationSim.Straylight.data.sky': ['*.dat'],
         'ObservationSim.Straylight.lib': ['*'],
     },
-    ext_modules = cythonize(extensions) + df_module,
+    ext_modules = cythonize(extensions) + df_module + cti_module,
     cmdclass={'build_ext': build_ext}
 )