diff --git a/docker/install_scripts/20_apk_install_py2.sh b/docker/install_scripts/20_apk_install_py2.sh
index 7f4790d975..32367cc8de 100755
--- a/docker/install_scripts/20_apk_install_py2.sh
+++ b/docker/install_scripts/20_apk_install_py2.sh
@@ -4,4 +4,6 @@ set -e
 apk add --update \
   python \
   python-dev \
-  py-pip
+  py-pip \
+  py-cffi \
+  py-cryptography
diff --git a/docker/install_scripts/21_apk_install_py3.sh b/docker/install_scripts/21_apk_install_py3.sh
index a9f9b4b8c0..0bc647d513 100755
--- a/docker/install_scripts/21_apk_install_py3.sh
+++ b/docker/install_scripts/21_apk_install_py3.sh
@@ -4,7 +4,9 @@ set -e
 apk add --update \
   python3 \
   python3-dev \
-  py3-pip
+  py3-pip \
+  py3-cffi \
+  py3-cryptography
 
 if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi