diff --git a/docker/development/Dockerfile.build b/docker/development/Dockerfile.build
index 310ec3d51..6f26f1478 100644
--- a/docker/development/Dockerfile.build
+++ b/docker/development/Dockerfile.build
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# for nnabla>=1.0.17
-
 ARG BASE
 FROM ${BASE}
 
@@ -148,6 +146,7 @@ ARG PYTHON_VERSION_MAJOR
 ARG PYTHON_VERSION_MINOR
 ENV PYVERNAME=${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}
 
+# Limitation: numpy>=1.17 does not support python2.7
 ADD python/requirements.txt /tmp/deps/
 
 RUN umask 0 \
@@ -158,6 +157,7 @@ RUN umask 0 \
     && . /opt/miniconda3/bin/activate \
     && conda create -n nnabla-build python=${PYVERNAME} \
     && conda activate nnabla-build \
+    && pip install numpy\<1.17 \
     && pip install --only-binary -U -r /tmp/deps/requirements.txt \
     && conda clean -y --all \
     && cd / \
diff --git a/docker/development/Dockerfile.build-multi-gpu b/docker/development/Dockerfile.build-multi-gpu
index b257ccffe..5500fe26b 100644
--- a/docker/development/Dockerfile.build-multi-gpu
+++ b/docker/development/Dockerfile.build-multi-gpu
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# for nnabla>=1.0.17
-
 ARG BASE
 FROM ${BASE}
 
@@ -78,6 +76,7 @@ ARG PYTHON_VERSION_MAJOR
 ARG PYTHON_VERSION_MINOR
 ENV PYVERNAME=${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}
 
+# Limitation: numpy>=1.17 does not support python2.7
 ADD python/requirements.txt /tmp/deps/
 
 RUN umask 0 \
@@ -88,6 +87,7 @@ RUN umask 0 \
     && . /opt/miniconda3/bin/activate \
     && conda create -n nnabla-build python=${PYVERNAME} \
     && conda activate nnabla-build \
+    && pip install numpy\<1.17 \
     && pip install --only-binary -U -r /tmp/deps/requirements.txt \
     && conda clean -y --all \
     && cd / \
diff --git a/docker/development/Dockerfile.build-multi-gpu-ppc64le b/docker/development/Dockerfile.build-multi-gpu-ppc64le
index 9ecdfd756..d2a6c4bbc 100644
--- a/docker/development/Dockerfile.build-multi-gpu-ppc64le
+++ b/docker/development/Dockerfile.build-multi-gpu-ppc64le
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# for nnabla>=1.0.17
-
 ARG BASE
 FROM ${BASE}
 
@@ -82,6 +80,8 @@ RUN mkdir /tmp/deps \
 ARG PYTHON_VERSION_MAJOR
 ARG PYTHON_VERSION_MINOR
 ENV PYVERNAME=${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}
+
+# Limitation: numpy>=1.17 does not support python2.7
 ADD python/requirements.txt /tmp/deps/
 
 RUN umask 0 \
@@ -94,7 +94,7 @@ RUN umask 0 \
     && conda activate nnabla-build \
     && conda update --all -y \
     && pip install -U pip wheel mako pyyaml \
-    && pip install -U numpy \
+    && pip install -U numpy\<1.17 \
     && pip install -U -r /tmp/deps/requirements.txt \
     && conda clean -y --all \
     && cd / \
diff --git a/docker/development/Dockerfile.build-ppc64le b/docker/development/Dockerfile.build-ppc64le
index 9f0797db6..78ce0b74c 100644
--- a/docker/development/Dockerfile.build-ppc64le
+++ b/docker/development/Dockerfile.build-ppc64le
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# for nnabla>=1.0.17
-
 ARG BASE
 FROM ${BASE}
 
@@ -118,6 +116,7 @@ ARG PYTHON_VERSION_MAJOR
 ARG PYTHON_VERSION_MINOR
 ENV PYVERNAME=${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}
 
+# Limitation: numpy>=1.17 does not support python2.7
 ADD python/requirements.txt /tmp/deps/
 
 RUN umask 0 \
@@ -132,7 +131,7 @@ RUN umask 0 \
     && conda update --all -y \
     && pip install -U pip wheel mako pyyaml \
     && pip install -U cython \
-    && pip install -U numpy \
+    && pip install -U numpy\<1.17 \
     && pip install -U -r /tmp/deps/requirements.txt \
     && conda clean -y --all \
     && cd / \
diff --git a/python/requirements.txt b/python/requirements.txt
index 59c0f19f3..51ef424a0 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -8,8 +8,8 @@ PyYAML
 Cython
 boto3
 h5py
-numpy>=1.16
-onnx==1.4.1
+numpy>=1.16,<1.17
+onnx
 protobuf
 requests
 tqdm
diff --git a/python/setup.py b/python/setup.py
index 1bf5b6fae..851e32d92 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -46,7 +46,7 @@
 assert(__email__ is not None)
 
 setup_requires = [
-    'numpy>=1.16',
+    'numpy>=1.16,<1.17',
     'Cython',  # Requires python-dev.
 ]