diff --git a/contrib/build-wine/build-electrum-git.sh b/contrib/build-wine/build-electrum-git.sh
index c849a672..a8f74358 100755
--- a/contrib/build-wine/build-electrum-git.sh
+++ b/contrib/build-wine/build-electrum-git.sh
@@ -55,7 +55,8 @@ cp -r electrum-locale/locale $WINEPREFIX/drive_c/electrum/lib/
 cp electrum-icons/icons_rc.py $WINEPREFIX/drive_c/electrum/gui/qt/
 
 # Install frozen dependencies
-$PYTHON -m pip install -r ../../requirements.txt
+$PYTHON -m pip install -r ../../deterministic-build/requirements.txt
+$PYTHON -m pip install -r ../../deterministic-build/requirements-hw.txt
 
 pushd $WINEPREFIX/drive_c/electrum
 $PYTHON setup.py install
diff --git a/contrib/build-wine/build.sh b/contrib/build-wine/build.sh
index efd23bc1..a4e39adf 100755
--- a/contrib/build-wine/build.sh
+++ b/contrib/build-wine/build.sh
@@ -14,8 +14,7 @@ rm "$here"/build/* -rf
 rm "$here"/dist/* -rf
 
 $here/prepare-wine.sh && \
-$here/prepare-pyinstaller.sh && \
-$here/prepare-hw.sh || exit 1
+$here/prepare-pyinstaller.sh || exit 1
 
 echo "Resetting modification time in C:\Python..."
 # (Because of some bugs in pyinstaller)
diff --git a/contrib/build-wine/prepare-hw.sh b/contrib/build-wine/prepare-hw.sh
deleted file mode 100755
index 1851b7b0..00000000
--- a/contrib/build-wine/prepare-hw.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/bin/bash
-
-TREZOR_GIT_URL=https://github.com/trezor/python-trezor.git
-KEEPKEY_GIT_URL=https://github.com/keepkey/python-keepkey.git
-BTCHIP_GIT_URL=https://github.com/LedgerHQ/btchip-python.git
-
-BRANCH=master
-
-PYTHON_VERSION=3.5.4
-
-# These settings probably don't need any change
-export WINEPREFIX=/opt/wine64
-
-PYHOME=c:/python$PYTHON_VERSION
-PYTHON="wine $PYHOME/python.exe -OO -B"
-
-# Let's begin!
-cd `dirname $0`
-set -e
-
-cd tmp
-
-$PYTHON -m pip install setuptools --upgrade
-$PYTHON -m pip install cython --upgrade
-$PYTHON -m pip install trezor==0.7.16 --upgrade
-$PYTHON -m pip install keepkey==4.0.0 --upgrade
-$PYTHON -m pip install btchip-python==0.1.23 --upgrade
-
diff --git a/contrib/deterministic-build/requirements-hw.txt b/contrib/deterministic-build/requirements-hw.txt
new file mode 100644
index 00000000..fc312796
--- /dev/null
+++ b/contrib/deterministic-build/requirements-hw.txt
@@ -0,0 +1,15 @@
+btchip-python==0.1.24
+certifi==2017.11.5
+chardet==3.0.4
+Cython==0.27.3
+ecdsa==0.13
+hidapi==0.7.99.post21
+idna==2.6
+keepkey==4.0.2
+mnemonic==0.18
+pbkdf2==1.3
+protobuf==3.5.1
+requests==2.18.4
+six==1.11.0
+trezor==0.7.16
+urllib3==1.22
diff --git a/contrib/requirements.txt b/contrib/deterministic-build/requirements.txt
similarity index 82%
rename from contrib/requirements.txt
rename to contrib/deterministic-build/requirements.txt
index 52fada94..8594f0bc 100644
--- a/contrib/requirements.txt
+++ b/contrib/deterministic-build/requirements.txt
@@ -5,9 +5,9 @@ ecdsa==0.13
 idna==2.6
 jsonrpclib-pelix==0.3.1
 pbkdf2==1.3
-protobuf==3.5.0.post1
+protobuf==3.5.1
 pyaes==1.6.1
-PySocks==1.6.7
+PySocks==1.6.8
 qrcode==5.3
 requests==2.18.4
 six==1.11.0
diff --git a/contrib/freeze_packages.sh b/contrib/freeze_packages.sh
index c8e4527b..073df5f1 100755
--- a/contrib/freeze_packages.sh
+++ b/contrib/freeze_packages.sh
@@ -6,17 +6,34 @@ contrib=$(dirname "$0")
 
 which virtualenv > /dev/null 2>&1 || { echo "Please install virtualenv" && exit 1; }
 
+# standard Electrum dependencies
+
 rm "$venv_dir" -rf
 virtualenv -p $(which python3) $venv_dir
 
 source $venv_dir/bin/activate
 
-echo "Installing dependencies"
+echo "Installing main dependencies"
 
 pushd $contrib/..
 python setup.py install
 popd
 
-pip freeze | sed '/^Electrum/ d' > $contrib/requirements.txt
+pip freeze | sed '/^Electrum/ d' > $contrib/deterministic-build/requirements.txt
 
-echo "Updated requirements"
+
+# hw wallet library dependencies
+
+rm "$venv_dir" -rf
+virtualenv -p $(which python3) $venv_dir
+
+source $venv_dir/bin/activate
+
+echo "Installing hw wallet dependencies"
+
+python -m pip install -r ../requirements-hw.txt --upgrade
+
+pip freeze | sed '/^Electrum/ d' > $contrib/deterministic-build/requirements-hw.txt
+
+
+echo "Done. Updated requirements"
diff --git a/contrib/make_packages b/contrib/make_packages
index b3a36049..9cfd32bb 100755
--- a/contrib/make_packages
+++ b/contrib/make_packages
@@ -9,5 +9,5 @@ if [ $? -ne 0 ] ; then echo "Install pip3" ; exit ; fi
 rm "$contrib"/../packages/ -r
 
 #Install pure python modules in electrum directory
-pip3 install -r $contrib/requirements.txt -t $contrib/../packages
+pip3 install -r $contrib/deterministic-build/requirements.txt -t $contrib/../packages
 
diff --git a/requirements-hw.txt b/requirements-hw.txt
new file mode 100644
index 00000000..e5f460aa
--- /dev/null
+++ b/requirements-hw.txt
@@ -0,0 +1,4 @@
+Cython>=0.27
+trezor
+keepkey
+btchip-python
diff --git a/setup.py b/setup.py
index 5c95d4b6..3375061b 100755
--- a/setup.py
+++ b/setup.py
@@ -9,12 +9,15 @@ import platform
 import imp
 import argparse
 
+with open('requirements-hw.txt') as f:
+    requirements_hw = f.read().splitlines()
+
 version = imp.load_source('version', 'lib/version.py')
 
 if sys.version_info[:3] < (3, 4, 0):
     sys.exit("Error: Electrum requires Python version >= 3.4.0...")
 
-data_files = []
+data_files = ['requirements-hw.txt']
 
 if platform.system() in ['Linux', 'FreeBSD', 'DragonFly']:
     parser = argparse.ArgumentParser()
@@ -46,6 +49,9 @@ setup(
         'jsonrpclib-pelix',
         'PySocks>=1.6.6',
     ],
+    extras_require={
+        'hardware': requirements_hw,
+    },
     packages=[
         'electrum',
         'electrum_gui',