diff --git a/mmdnn/conversion/cntk/cntk_emitter.py b/mmdnn/conversion/cntk/cntk_emitter.py
index 4e26af03..9a6994c1 100644
--- a/mmdnn/conversion/cntk/cntk_emitter.py
+++ b/mmdnn/conversion/cntk/cntk_emitter.py
@@ -540,7 +540,7 @@ def emit_UpSampling2D(self, IR_node):
 
 
     def emit_ConvTranspose(self, IR_node):
-        self.emit_Conv(IR_node)
+        return self.emit_Conv(IR_node)
 
 
     def emit_yolo(self, IR_node):
diff --git a/requirements/linux-py2.txt b/requirements/linux-py2.txt
index 36f1fe6b..931c8935 100644
--- a/requirements/linux-py2.txt
+++ b/requirements/linux-py2.txt
@@ -1,16 +1,16 @@
 paddlepaddle==0.11.0
 six==1.10.0
-numpy==1.14.5
+numpy==1.15.4
 protobuf==3.6.1
 pillow == 5.2.0
 setuptools==39.1.0
-tensorflow==1.9.0 #this pre-trained facenet model can not run on 1.10.0 version
-keras==2.1.6
-coremltools==0.8
-mxnet==1.1.0.post0
-cntk==2.5.1
+tensorflow==1.13.1
+keras==2.2.4
+coremltools==2.1.0
+mxnet==1.2.0
+cntk==2.6
 http://download.pytorch.org/whl/cpu/torch-0.4.0-cp27-cp27mu-linux_x86_64.whl
 https://raw.githubusercontent.com/PaulaQin/pycaffe_packages/master/caffe-1.0-py2-none-any.whl
 torchvision==0.2.1
-onnx==1.2.1
+onnx==1.4.1
 onnx-tf==1.1.2
\ No newline at end of file
diff --git a/requirements/linux-py3.txt b/requirements/linux-py3.txt
index c7765937..0a8fc115 100644
--- a/requirements/linux-py3.txt
+++ b/requirements/linux-py3.txt
@@ -1,15 +1,15 @@
 six==1.10.0
-numpy==1.14.5
+numpy==1.15.4
 protobuf==3.6.1
 pillow == 5.2.0
 setuptools==39.1.0
-tensorflow==1.9.0 # this pre-trained facenet model can not run on 1.10.0 version
-keras==2.1.6
-coremltools==0.8
-mxnet==1.1.0.post0
-cntk==2.5.1
+tensorflow==1.13.1
+keras==2.2.4
+coremltools==2.1.0
+mxnet==1.2.0
+cntk==2.6
 http://download.pytorch.org/whl/cpu/torch-0.4.0-cp35-cp35m-linux_x86_64.whl
 https://raw.githubusercontent.com/PaulaQin/pycaffe_packages/master/caffe-1.0-py3-none-any.whl
 torchvision==0.2.1
-onnx==1.2.1
-onnx-tf==1.1.2
\ No newline at end of file
+onnx==1.4.1
+onnx-tf==1.2.1
\ No newline at end of file